Microscopic polyangiitis differential diagnosis: Difference between revisions

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__NOTOC__
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[[Image:Home_logo1.png|right|250px|link=https://www.wikidoc.org/index.php/Microscopic_polyangiitis]]
[[Image:Home_logo1.png|right|250px|link=https://www.wikidoc.org/index.php/Microscopic_polyangiitis]]
{{CMG}}{{APM}}{{AE}}{{KW}}
{{CMG}}, {{APM}}{{AE}}{{KW}}, {{EG}}, {{MJ}}


==Overview==
==Overview==
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|60% sensitivity
|60% sensitivity
|}
|}
===Differentiating Microscopic polyangiitis  from other Diseases===
Microscopic polyangiits must be differentiated form other diseases that cause purpura, alveolar hemorrhage, and arthralgia such as:
* Eosinophilic granulomatosis with polyangiitis
* Granulomatosis with polyangiitis
* Polyarteritis Nodosa
* Infective Endocardtitis
* Leukocytoclastic vasculitis
* Crescentic glomerulonephritis
* Acute mesenteric ischemia
* Cryoglobulinemia


==Differential Diagnosis==
'''Differentiating Microscopic polyangiitis from other Diseases:'''
 
<span style="font-size:85%">'''Abbreviations:'''
ABG= [[Arterial blood gas]], ANA= [[Antinuclear antibody]], ANP= [[Atrial natriuretic peptide]], ASO= [[Antistreptolysin O|Antistreptolysin O antibody]], BNP= [[Brain natriuretic peptide]], CBC= [[Complete blood count]], COPD= [[Chronic obstructive pulmonary disease]], CRP= [[C-reactive protein]], CT= [[Computed tomography]], CXR= [[Chest X-ray]], DVT= [[Deep vein thrombosis]], ESR= [[Erythrocyte sedimentation rate]], HRCT= [[High Resolution CT]], IgE= [[Immunoglobulin E]], LDH= [[Lactate dehydrogenase]], PCWP= [[Pulmonary capillary wedge pressure]], PCR= [[Polymerase chain reaction]], PFT= [[Pulmonary function test]].</span>
<small><small><small>
{| style="border: 0px; font-size: 90%; margin: 3px;" align="center"
! colspan="3" rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Diseases
| colspan="8" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations'''
! colspan="9" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Para-clinical findings
| colspan="1" rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Gold standard'''
! rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
| colspan="5" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Symptoms'''
! colspan="3" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" | Physical examination
|-
! colspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Lab Findings
! colspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Histopathology
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Headache
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Fever
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! style="background:#4479BA; color: #FFFFFF;" align="center" |Arthralgia
! style="background:#4479BA; color: #FFFFFF;" align="center" |Claudication
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bruit
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |HTN
! style="background:#4479BA; color: #FFFFFF;" align="center" |Focal neurological disorder
! style="background:#4479BA; color: #FFFFFF;" align="center" |Biomarker
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |ESR
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
! style="background:#4479BA; color: #FFFFFF;" align="center" |Angiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ultrasound/ Echocardiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
|-
! rowspan="9" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Large-Vessel Vasculitis
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Takayasu arteritis]]<ref name="pmid23626437">{{cite journal| author=Vaideeswar P, Deshpande JR| title=Pathology of Takayasu arteritis: A brief review. | journal=Ann Pediatr Cardiol | year= 2013 | volume= 6 | issue= 1 | pages= 52-8 | pmid=23626437 | doi=10.4103/0974-2069.107235 | pmc=3634248 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23626437  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[MMP|MMP-3]] and [[Matrix metalloproteinase|MMP-9]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysm|Aneurysmal dilatation]] of the [[aorta]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood vessel]] [[stenosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Circumferential thickening of the [[arterial]] wall (Macaroni sign)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[PET scan|PET-scan]], [[Cardiac]] [[CT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Granulomatous]] [[inflammation]] of [[arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Arteriography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary aneurysm]]
|-
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Giant cell arteritis]]<ref name="pmid13679546">{{cite journal| author=Calvo-Romero JM| title=Giant cell arteritis. | journal=Postgrad Med J | year= 2003 | volume= 79 | issue= 935 | pages= 511-5 | pmid=13679546 | doi= | pmc=1742823 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=13679546  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pentraxin|Pentraxin 3 (PTX3)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stenosis]], [[Occlusion]], [[Dilatation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysm]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mural [[inflammation]] in [[Magnetic resonance angiography|MRA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Granulomatous]] [[inflammation]] of [[arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Biopsy]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Jaw pain]] and [[Jaw claudication|claudication]]
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Neurological disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cerebral aneurysm]]<ref name="pmid20557771">{{cite journal| author=Stafa A, Leonardi M| title=Role of neuroradiology in evaluating cerebral aneurysms. | journal=Interv Neuroradiol | year= 2008 | volume= 14 Suppl 1 | issue=  | pages= 23-37 | pmid=20557771 | doi=10.1177/15910199080140S106 | pmc=3328052 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20557771  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Well-defined round, slightly hyperattenuating lesion
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Bulging out of the [[Lumen|main lumen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heterogeneous]] signal intensity in [[Magnetic resonance angiography|MRA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Layers of [[smooth muscle cells]], Intact [[endothelium]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Digital subtraction angiography|Digital subtraction angiography (DSA)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Nausea]], [[Vomiting]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Neurofibromatosis type 1]]<ref name="pmid28512424">{{cite journal| author=Cassiman C, Casteels I, Stalmans P, Legius E, Jacob J| title=Optical Coherence Tomography Angiography of Retinal Microvascular Changes Overlying Choroidal Nodules in Neurofibromatosis Type 1. | journal=Case Rep Ophthalmol | year= 2017 | volume= 8 | issue= 1 | pages= 214-220 | pmid=28512424 | doi=10.1159/000469702 | pmc=5422752 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28512424  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[NF1|NF1 mutated gene]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Neurofibromin|Neurofibromin gene]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bone disease|Bone abnormalities]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Optical coherence tomography angiography (OCTA)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Optic nerve gliomas]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Elongated spindle-shaped [[cells]] in [[Neurofibroma|neurofibromas]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[National Institutes of Health|NIH]] [[diagnostic criteria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Café au lait spot|Cafe au Lait spot]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Neurofibromatosis type 2]]<ref name="Evans2000">{{cite journal|last1=Evans|first1=D G. R|title=Neurofibromatosis type 2|journal=Journal of Medical Genetics|volume=37|issue=12|year=2000|pages=897–904|issn=14686244|doi=10.1136/jmg.37.12.897}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[NF2 gene|NF2 mutated gene]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Merlin (protein)|Schwannomin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Meningioma]], [[Schwannoma]], [[Ependymoma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fluorescein angiography]] showed [[retinal]] [[hamartoma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Localized [[schwannomas]] in nerve [[ultrasound]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Schwannoma]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Encapsulated biphasic [[nerve sheath]] [[tumor]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[National Institutes of Health|NIH]] [[diagnostic criteria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hearing loss]], [[Vision loss]]
|-
! rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Fibromuscular dysplasia]]<ref name="pmid17555581">{{cite journal| author=Plouin PF, Perdu J, La Batide-Alanore A, Boutouyrie P, Gimenez-Roqueplo AP, Jeunemaitre X| title=Fibromuscular dysplasia. | journal=Orphanet J Rare Dis | year= 2007 | volume= 2 | issue=  | pages= 28 | pmid=17555581 | doi=10.1186/1750-1172-2-28 | pmc=1899482 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17555581  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Transforming growth factor β|Transforming growth factor β (TGF-β)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Alternating [[stenosis]] and [[Dilatation|dilatations]] in [[CT angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stenosis]] in the [[renal arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Luminal narrowing alternating with [[dilatation]] (Beads sign)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal [[concentric]], long-segment [[tubular]] [[stenosis]] or outpouching in [[MRA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Fibrodysplastic changes, [[Collagen]] deposition
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Digital subtraction angiography|Digital subtraction angiography (DSA)]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Spontaneous coronary artery dissection|Spontaneous coronary artery dissection (SCAD)]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ehlers-Danlos syndrome]]<ref name="pmid27824552">{{cite journal| author=Gazit Y, Jacob G, Grahame R| title=Ehlers-Danlos Syndrome-Hypermobility Type: A Much Neglected Multisystemic Disorder. | journal=Rambam Maimonides Med J | year= 2016 | volume= 7 | issue= 4 | pages=  | pmid=27824552 | doi=10.5041/RMMJ.10261 | pmc=5101008 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27824552  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[TGF-β]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Cultured skin [[fibroblasts]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Multiple [[vascular]] segments with [[aneurysms]] and [[dissections]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Dissection]] of the [[Circumflex branch of left coronary artery|posterolateral branch of the left circumflex coronary artery (LCx)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Visceral]] [[arteries]] abnormality
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vascular anomaly|Vascular abnormalities]] in [[MRA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Thin and rare [[collagen]] bundles in the [[dermis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bleeding]], [[Easy bruising|Bruisability]], [[Heart murmur]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Polymyalgia rheumatica|Polymyalgia rheumatica (PMR)]]<ref name="pmid18390527">{{cite journal| author=Michet CJ, Matteson EL| title=Polymyalgia rheumatica. | journal=BMJ | year= 2008 | volume= 336 | issue= 7647 | pages= 765-9 | pmid=18390527 | doi=10.1136/bmj.39514.653588.80 | pmc=2287267 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18390527  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fibrinogen|Plasma fibrinogen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normocytic normochromic anemia|Normocytic, normochromic anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Odontoid process|Periodontoid]] localization of [[calcification]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vessel wall]] thickening, Increased mural contrast enhancement
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Subacromial bursitis|Subacromial]] or subdeltoid [[bursitis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |High [[Fluorescein sodium|F-FDG]] accumulation around the [[joints]] in [[Positron emission tomography|FDG PET-CT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Small angular fibers, [[Pyknosis|Pyknotic]] [[nuclear]] clumps, or target-targetoid fibers
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Joint stiffness]], [[Fatigue]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Amyloidosis]]<ref name="pmid23227278">{{cite journal| author=Baker KR, Rice L| title=The amyloidoses: clinical features, diagnosis and treatment. | journal=Methodist Debakey Cardiovasc J | year= 2012 | volume= 8 | issue= 3 | pages= 3-7 | pmid=23227278 | doi= | pmc=3487569 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23227278  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Immunoglobulin light chains|Immunoglobulin light chain]][[Amyloid beta|(Amyloid)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑ [[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffusely hypoattenuating and enlarged [[liver]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Amyloid]] deposition in the media and [[adventitia]] of small arteries 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Solid organs increased [[echogenicity]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Tc-DPD for [[cardiac]] '''[[amyloid]]''' deposits
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Extracellular]] deposition of [[Fibrillarin|fibrillar proteins]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Biopsy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cardiomegaly]], [[Dyspnea]]
|-
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diseases
! style="background:#4479BA; color: #FFFFFF;" align="center" |Headache
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! style="background:#4479BA; color: #FFFFFF;" align="center" |Arthralgia
! style="background:#4479BA; color: #FFFFFF;" align="center" |Claudication
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bruit
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |HTN
! style="background:#4479BA; color: #FFFFFF;" align="center" |Focal neurological disorder
! style="background:#4479BA; color: #FFFFFF;" align="center" |Biomarker
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |ESR
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
! style="background:#4479BA; color: #FFFFFF;" align="center" |Angiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ultrasound/ Echocardiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |Histopathology
! style="background:#4479BA; color: #FFFFFF;" align="center" |'''Gold standard'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
! rowspan="18" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Medium-Vessel Vasculitis
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Polyarteritis nodosa]]<ref name="pmid25770638">{{cite journal| author=Howard T, Ahmad K, Swanson JA, Misra S| title=Polyarteritis nodosa. | journal=Tech Vasc Interv Radiol | year= 2014 | volume= 17 | issue= 4 | pages= 247-51 | pmid=25770638 | doi=10.1053/j.tvir.2014.11.005 | pmc=4363102 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25770638  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[LAMP2|LAMP-2 protein autoantibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normochromic anemia]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑ [[ALT]] or [[AST]], [[Proteinuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal regions of [[infarction]] or [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Multiple [[Aneurysm|microaneurysms]],  [[Hemorrhage]] due to focal [[rupture]], [[Occlusion]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]] and [[renal]] [[arteriovenous fistula]] in [[Doppler sonography|color Doppler sonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotizing]] [[inflammatory]] lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sudden [[weight loss]], [[Abdominal pain]]
|-
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hepatitis B virus]]-associated [[polyarteritis nodosa]]<ref name="pmid25755502">{{cite journal |vauthors=Sharma A, Sharma K |title=Hepatotropic viral infection associated systemic vasculitides-hepatitis B virus associated polyarteritis nodosa and hepatitis C virus associated cryoglobulinemic vasculitis |journal=J Clin Exp Hepatol |volume=3 |issue=3 |pages=204–12 |date=September 2013 |pmid=25755502 |pmc=4216827 |doi=10.1016/j.jceh.2013.06.001 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatitis B surface antigen|HBsAg]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normochromic anemia]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal regions of [[infarction]] or [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms|Microaneurysms]] in [[mesenteric artery]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]] and [[renal]] [[arteriovenous fistula]] in [[Doppler sonography|color Doppler sonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotizing]] [[inflammatory]] lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Peripheral neuropathy]], [[Livedo reticularis]]
|-
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Kawasaki disease]]<ref name="pmid21447126">{{cite journal| author=Takahashi K, Oharaseki T, Yokouchi Y| title=Pathogenesis of Kawasaki disease. | journal=Clin Exp Immunol | year= 2011 | volume= 164 Suppl 1 | issue=  | pages= 20-2 | pmid=21447126 | doi=10.1111/j.1365-2249.2011.04361.x | pmc=3095860 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21447126  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[NT-proBNP]], [[Meprin A]], [[Filamin A interacting protein 1 like|Filamin C]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normochromic anemia]], ↑[[WBC]] with a [[left shift]], [[Thrombocytosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acute phase reactant|Acute-phase reactants]], ↓[[Cholesterol]], ↓[[HDL]], ↓[[Apolipoprotein A1|ApolipoA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery]] [[Calcification|calcifications]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery aneurysm|Coronary artery aneurysms]], [[Coronary artery stenosis|stenosis]] or [[Coronary artery anomaly|occlusion]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery anomaly]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Electron beam tomography|Electron beam CT (EBCT)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Acute destruction of the [[Tunica media|media]] by [[neutrophils]], with loss of [[elastic fibers]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Diarrhea]], [[Vomiting]]
|-
! rowspan="10" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Infectious disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Parvovirus B19 infection]]<ref name="pmid12097253">{{cite journal| author=Heegaard ED, Brown KE| title=Human parvovirus B19. | journal=Clin Microbiol Rev | year= 2002 | volume= 15 | issue= 3 | pages= 485-505 | pmid=12097253 | doi= | pmc=118081 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12097253  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Parvovirus B19|B19]] [[DNA]], ↓[[Reticulocyte count]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |anti–[[parvovirus B19]] [[IgM]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hydrops]] in fetal [[ultrasonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Parvovirus B19|B19]] [[DNA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Purpura|Purpuric rash]], [[Erythema multiforme]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Scarlet fever]]<ref name="pmid29081840">{{cite journal| author=Basetti S, Hodgson J, Rawson TM, Majeed A| title=Scarlet fever: a guide for general practitioners. | journal=London J Prim Care (Abingdon) | year= 2017 | volume= 9 | issue= 5 | pages= 77-79 | pmid=29081840 | doi=10.1080/17571472.2017.1365677 | pmc=5649319 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29081840  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antistreptococcal antibodies|Antistreptolysin-O (ASO) titers]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Thickened [[pulmonary]] markings if [[pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sparse [[Neutropenia|neutrophilic]] [[Perivascular cell|perivascular infiltrate]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sand-paper rashes, [[Sore throat]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Toxic shock syndrome]]<ref name="pmid22180682">{{cite journal| author=Vostral SL| title=Rely and Toxic Shock Syndrome: a technological health crisis. | journal=Yale J Biol Med | year= 2011 | volume= 84 | issue= 4 | pages= 447-59 | pmid=22180682 | doi= | pmc=3238331 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22180682  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Procalcitonin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[left shift]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Myoglobinuria]], [[Pyuria|Sterile pyuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acute respiratory distress syndrome]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrosis|Necrolysis]] of [[keratinocytes]] in [[epidermis]],  Perivascular [[lymphocytic]] infiltrate
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical criteria
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Peeling or [[rashes]], Organ dysfunction
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Mononucleosis]]<ref name="pmid25774295">{{cite journal| author=Balfour HH, Dunmire SK, Hogquist KA| title=Infectious mononucleosis. | journal=Clin Transl Immunology | year= 2015 | volume= 4 | issue= 2 | pages= e33 | pmid=25774295 | doi=10.1038/cti.2015.1 | pmc=4346501 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25774295  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epstein Barr virus|EBV]] [[DNA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atypical lymphocyte]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heterophile antibody test|Heterophile antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CNS Disease|CNS involvement]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Encephalitis]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphoproliferative response]] in [[oropharynx]], [[Lymphocytic|Lymphocytic infiltration]] in [[spleen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heterophile antibody test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Splenomegaly]], [[Palatal]] [[petechiae]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Leptospirosis]]<ref name="pmid11292640">{{cite journal |vauthors=Levett PN |title=Leptospirosis |journal=Clin. Microbiol. Rev. |volume=14 |issue=2 |pages=296–326 |date=April 2001 |pmid=11292640 |pmc=88975 |doi=10.1128/CMR.14.2.296-326.2001 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Interleukin 6|IL-6]], [[IL-8]] and [[IL-10]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑[[ALT]] or [[AST]], [[Proteinuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | Diffuse [[alveolar]] [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Toxin]]-mediated break down of [[endothelial cell]] membranes of [[capillaries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Culture and the [[Agglutination|microscopic agglutination test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Red eyes]], [[Skin rash]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Lyme disease|Lyme Disease]]<ref name="pmid23319969">{{cite journal| author=Biesiada G, Czepiel J, Leśniak MR, Garlicki A, Mach T| title=Lyme disease: review. | journal=Arch Med Sci | year= 2012 | volume= 8 | issue= 6 | pages= 978-82 | pmid=23319969 | doi=10.5114/aoms.2012.30948 | pmc=3542482 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23319969  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CXCL9|CXCL9 (MIG)]], [[CXCL10|CXCL10 (IP-10)]] and [[CCL19|CCL19 (MIP3B)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukopenia]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Microscopic hematuria]], [[Proteinuria]], ↑[[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Punctate lesions in periventricular [[white matter]] in [[brain]] [[SPECT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acrodermatitis chronica atrophicans]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Serological testing|Serologic '''tests''']]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythema migrans]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Measles]]<ref name="pmid22510638">{{cite journal| author=White SJ, Boldt KL, Holditch SJ, Poland GA, Jacobson RM| title=Measles, mumps, and rubella. | journal=Clin Obstet Gynecol | year= 2012 | volume= 55 | issue= 2 | pages= 550-9 | pmid=22510638 | doi=10.1097/GRF.0b013e31824df256 | pmc=3334858 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22510638  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Measles]] [[Immunoglobulin M|IgM]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukopenia]], [[Lymphocytosis]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Spongiosis and vesiculation in the [[epidermis]] with scattered dyskeratotic [[keratinocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[PCR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rash|Generalized rash]], [[Cough]], [[Coryza]], or [[Conjunctivitis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Rocky Mountain Spotted Fever]]<ref name="pmid2504480">{{cite journal| author=Walker DH| title=Rocky Mountain spotted fever: a disease in need of microbiological concern. | journal=Clin Microbiol Rev | year= 1989 | volume= 2 | issue= 3 | pages= 227-40 | pmid=2504480 | doi= | pmc=358117 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2504480  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |''[[Rickettsia rickettsii infection|R rickettsii]]'' [[serology]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombocytopenia]], [[Anemia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[ALT]] or [[AST]], [[Hyponatremia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Infarction]], [[edema]], and [[meningeal]] enhancement
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Myocardial]] or conduction abnormalities in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Immunofluorescent]] or [[immunoperoxidase]] staining of ''[[Rickettsia rickettsii infection|R rickettsii]]''
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical criteria and [[tick]] exposure
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Rash on the [[Palms of the hands|palms]] and [[soles]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Staphylococcal scalded skin syndrome|Staphylococcal Scalded Skin Syndrome]]<ref name="pmid27651848">{{cite journal| author=Mishra AK, Yadav P, Mishra A| title=A Systemic Review on Staphylococcal Scalded Skin Syndrome (SSSS): A Rare and Critical Disease of Neonates. | journal=Open Microbiol J | year= 2016 | volume= 10 | issue=  | pages= 150-9 | pmid=27651848 | doi=10.2174/1874285801610010150 | pmc=5012080 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27651848  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Anti exfoliatin and [[Alpha toxin|anti alpha-toxin antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[left shift]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood culture]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epidermal bullosa simplex|Intraepidermal blister]], dense superficial perivascular lymphohistiocytic infiltrate 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood culture]] and clinical findings
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythroderma|'''Widespread''' skin erythema]], [[Blisters|fluid-filled '''blisters''']]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Toxic Epidermal Necrolysis]]<ref name="pmid27239294">{{cite journal| author=Hoetzenecker W, Mehra T, Saulite I, Glatz M, Schmid-Grendelmeier P, Guenova E et al.| title=Toxic epidermal necrolysis. | journal=F1000Res | year= 2016 | volume= 5 | issue=  | pages=  | pmid=27239294 | doi=10.12688/f1000research.7574.1 | pmc=4879934 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27239294  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[MicroRNA|MicroRNA-124]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normocytic normochromic anemia|Normochromic normocytic anemia]], [[Eosinophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fluid loss]] and [[electrolyte abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tracheobronchial]] [[inflammation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotic]] [[keratinocytes]] with full-thickness [[epithelial]] [[necrosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology]] and clinical findings
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythematous rash|Erythematous macular rash]] with [[purpuric]] centers
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cardiovascular disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Atrial Myxoma]]<ref name="pmid8407260">{{cite journal |vauthors=MacGowan SW, Sidhu P, Aherne T, Luke D, Wood AE, Neligan MC, McGovern E |title=Atrial myxoma: national incidence, diagnosis and surgical management |journal=Ir J Med Sci |volume=162 |issue=6 |pages=223–6 |date=June 1993 |pmid=8407260 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Calretinin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]], [[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Interleukin 6|IL-6]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atrial]] filling defect larger than a [[thrombus]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tumor]] location, size, attachment, and mobility in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Size, shape, and surface characteristics in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lipid|Lipidic]] cells embedded in a [[vascular]] myxoid stroma
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Dyspnea on exertion]], [[Syncope]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cholesterol Embolism]]<ref name="pmid21886725">{{cite journal| author=Avci G, Akoz T, Gul AE| title=Cutaneous cholesterol embolization. | journal=J Dermatol Case Rep | year= 2009 | volume= 3 | issue= 2 | pages= 27-9 | pmid=21886725 | doi=10.3315/jdcr.2009.1031 | pmc=3157794 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21886725  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Interleukin 5|IL-5]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophilia]], [[Leukocytosis]]  
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophiluria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thoracic aorta|Thoracic]] and [[Abdominal aorta|abdominal aortic]] sources of [[embolism]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atheroembolism]] in [[abdominal aorta]] and the [[lower extremity]] [[arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Excluding an [[intracardiac]] source of [[embolism]] with [[echocardiography]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Birefringent]] crystals or biconvex needle-shaped ghostly clefts within the [[arterial]] [[lumen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Livedo reticularis]],
 
[[Ischemic|Ischemic patches]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Segmental arteries|Segmental arterial]] mediolysis<ref name="Chao2009">{{cite journal|last1=Chao|first1=Christine|title=Segmental Arterial Mediolysis|journal=Seminars in Interventional Radiology|volume=26|issue=03|year=2009|pages=224–232|issn=0739-9529|doi=10.1055/s-0029-1225666}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Visceral]] artery [[aneurysm]] in [[CT angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Alternating [[aneurysms]] and [[stenoses]] (beading)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Retroperitoneal hematoma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Disruption of the [[smooth muscle]] in the [[Tunica media|media]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]], [[Ischemic colitis]]
|-
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Antiphospholipid syndrome|Antiphospholipid Syndrome]]<ref name="pmid26637701">{{cite journal| author=Chaturvedi S, McCrae KR| title=The antiphospholipid syndrome: still an enigma. | journal=Hematology Am Soc Hematol Educ Program | year= 2015 | volume= 2015 | issue=  | pages= 53-60 | pmid=26637701 | doi=10.1182/asheducation-2015.1.53 | pmc=4877624 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26637701  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antiphospholipid antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombocytopenia]], [[Hemolytic anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lupus anticoagulant|Lupus anticoagulant (LA)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stroke]],
 
[[Pulmonary embolism]], [[Budd-Chiari syndrome]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombus]] in major [[vessels]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Valve thickening, vegetations, or  insufficiency in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Noninflammatory bland [[thrombosis]] without perivascular [[inflammation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Hx of [[thrombosis]] and [[antiphospholipid antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Miscarriage]], [[Pulmonary hypertension]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Juvenile Idiopathic Arthritis]]<ref name="pmid22753788">{{cite journal |vauthors=Espinosa M, Gottlieb BS |title=Juvenile idiopathic arthritis |journal=Pediatr Rev |volume=33 |issue=7 |pages=303–13 |date=July 2012 |pmid=22753788 |doi=10.1542/pir.33-7-303 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rheumatoid factor|Rheumatoid factor (RF)]], [[S100A12]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphocytosis]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Myeloid-related proteins 8/14 (MRP8/14)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Synovial]] [[hypertrophy]], Joint effusions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral vasculitis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Inflamed [[synovium]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bone scan|Bone scanning]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vascular congestion]], [[Extravasation|RBC extravasation]], Venular lumen occlusion
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Conventional [[radiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rash|Evanescent rash]], [[Dactylitis]] 
|-
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diseases
! style="background:#4479BA; color: #FFFFFF;" align="center" |Headache
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! style="background:#4479BA; color: #FFFFFF;" align="center" |Arthralgia
! style="background:#4479BA; color: #FFFFFF;" align="center" |Claudication
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bruit
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |HTN
! style="background:#4479BA; color: #FFFFFF;" align="center" |Focal neurological disorder
! style="background:#4479BA; color: #FFFFFF;" align="center" |Biomarker
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |ESR
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
! style="background:#4479BA; color: #FFFFFF;" align="center" |Angiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ultrasound/ Echocardiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |Histopathology
! style="background:#4479BA; color: #FFFFFF;" align="center" |'''Gold standard'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
! rowspan="30" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Small-Vessel Vasculitis
! rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[ANCA-associated vasculitis]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Microscopic polyangiitis]]<ref name="pmid20688249">{{cite journal| author=Chung SA, Seo P| title=Microscopic polyangiitis. | journal=Rheum Dis Clin North Am | year= 2010 | volume= 36 | issue= 3 | pages= 545-58 | pmid=20688249 | doi=10.1016/j.rdc.2010.04.003 | pmc=2917831 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20688249  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C-ANCA|Anti-PR3 antibody (C-ANCA)]] (40%), [[P-ANCA|Anti-MPO antibody (P-ANCA)]] (60%)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normocytic anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Proteinuria]], [[RBC casts|Erythrocyte casts]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Suspected [[pancreatitis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mesenteric]] [[angiography]] for differentiating from [[polyarteritis nodosa]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Bilateral nodular, and patchy [[Opacity|opacities]] in [[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Glomerulonephritis]] with focal [[necrosis]], crescent formation, and lack or paucity of [[immunoglobulin]] deposits
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rash]], [[Hemoptysis]] 
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Granulomatosis with polyangiitis|Granulomatosis with polyangiitis (Wegener’s)]]<ref name="pmid27195187">{{cite journal| author=Kubaisi B, Abu Samra K, Foster CS| title=Granulomatosis with polyangiitis (Wegener's disease): An updated review of ocular disease manifestations. | journal=Intractable Rare Dis Res | year= 2016 | volume= 5 | issue= 2 | pages= 61-9 | pmid=27195187 | doi=10.5582/irdr.2016.01014 | pmc=4869584 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27195187  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C-ANCA|Anti-PR3 antibody (C-ANCA)]] (90%), [[P-ANCA|Anti-MPO antibody (P-ANCA)]] (10%)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normochromic anemia|Normochromic normocytic anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]], [[Hypoalbuminemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Consolidation (medicine)|Consolidation]], Patchy or diffuse [[Ground glass opacification on CT|ground-glass opacities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Occlusion]] or [[stenosis]] of [[LAD]] and [[RCA]] in [[coronary angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Single or multiple [[nodules]] and [[Mass|masses]] with [[cavitation]] in [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Parenchymal]] [[necrosis]], [[Granulomatous]] [[inflammation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Conjunctivitis]],
 
[[Episcleritis]],
 
[[Uveitis]],
 
[[Optic nerve]] vasculitis
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Eosinophilic granulomatosis with polyangiitis|Eosinophilic granulomatosis with polyangiitis]]
[[Eosinophilic granulomatosis with polyangiitis|(Churg-Strauss)]]<ref name="pmid16612766">{{cite journal |vauthors=Keogh KA, Specks U |title=Churg-Strauss syndrome |journal=Semin Respir Crit Care Med |volume=27 |issue=2 |pages=148–57 |date=April 2006 |pmid=16612766 |doi=10.1055/s-2006-939518 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[P-ANCA|Anti-MPO antibody (P-ANCA)]] (40%), Eotaxin-3
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophilia]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]], [[Proteinuria]], [[RBC casts|Erythrocyte casts]], ↑[[Immunoglobulin E|IgE]] levels
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Significant enlargement of peripheral [[pulmonary arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Myocardial ischemia]] and [[Myocardial infarction|infarction]] in [[coronary angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Congestive heart failure|Congestive heart failure (CHF)]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Extensive air-space [[Opacity|opacities]] in [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Small [[necrotizing]] [[granulomas]] with  [[eosinophilic]] core surrounded by [[macrophages]] and [[Epithelioid cell|epithelioid giant cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Allergic rhinitis]], [[Asthma]], [[Urticaria|Urticarial rash]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hydralazine]]-associated [[ANCA-associated vasculitis]]<ref name="pmid23316942">{{cite journal| author=Keasberry J, Frazier J, Isbel NM, Van Eps CL, Oliver K, Mudge DW| title=Hydralazine-induced anti-neutrophil cytoplasmic antibody-positive renal vasculitis presenting with a vasculitic syndrome, acute nephritis and a puzzling skin rash: a case report. | journal=J Med Case Rep | year= 2013 | volume= 7 | issue=  | pages= 20 | pmid=23316942 | doi=10.1186/1752-1947-7-20 | pmc=3565908 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23316942  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[P-ANCA|Anti-MPO antibody (P-ANCA)]], Anti-histone antibodies
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]], [[Hypoalbuminemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Bilateral [[pulmonary]] infiltrates
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]] or [[Occlusion|occlusions]] of the [[Visceral|visceral arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Pauci-immune [[necrotizing]] and [[crescentic glomerulonephritis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Sinusitis]], [[Hemoptysis]]
|-
! rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Immune complexes|Immune complex]] small-vessel vasculitis
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Goodpasture disease|Anti-glomerular basement membrane disease]]<ref name="pmid28515156">{{cite journal |vauthors=McAdoo SP, Pusey CD |title=Anti-Glomerular Basement Membrane Disease |journal=Clin J Am Soc Nephrol |volume=12 |issue=7 |pages=1162–1172 |date=July 2017 |pmid=28515156 |doi=10.2215/CJN.01380217 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anti-GBM antibody|Anti-GBM antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypochromic anemia|Hypochromic microcytic anemia]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓[[C3 (complement)|C3]] level
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal [[kidneys]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Alveolar]] infiltrates spreading from the [[hilum]] in [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Cellular crescents in the [[glomeruli]], [[Pulmonary hemorrhage|Intra-alveolar hemorrhages]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anti-GBM antibody|Anti-GBM antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hemoptysis]], [[Hematuria]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cryoglobulinemia|Cryoglobulinemic vasculitis]]<ref name="pmid16344620">{{cite journal |vauthors=Ferri C, Mascia MT |title=Cryoglobulinemic vasculitis |journal=Curr Opin Rheumatol |volume=18 |issue=1 |pages=54–63 |date=January 2006 |pmid=16344620 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C4A|C4 component]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antinuclear antibodies|ANA]], [[hypocomplementemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |R/O underlying [[malignancy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stenosis]] or [[Occlusion|occlusions]] of the [[Visceral|visceral arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bacterial endocarditis]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Interstitial]] involvement or [[pleural effusions]] in [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[HCV]]-associated [[proteins]] in [[vasculitic]] [[skin]], Intraluminal [[cryoglobulin]] deposits 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acrocyanosis]], [[Retinal]] [[hemorrhage]], [[Purpura]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hepatitis C virus]]-associated [[Cryoglobulinemia|cryoglobulinemic vasculitis]]<ref name="pmid28810602">{{cite journal| author=Guo QY, Wu M, Wang YW, Sun GD| title=Hepatitis C virus-associated cryoglobulinemia with membrano-proliferative glomerulonephritis treated with prednisolone and interferon: A case report. | journal=Exp Ther Med | year= 2017 | volume= 14 | issue= 2 | pages= 1395-1398 | pmid=28810602 | doi=10.3892/etm.2017.4671 | pmc=5525644 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28810602  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatitis C|HCV RNA]], [[Cryoglobulins]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓[[C4A|Serum C4]], Positive [[RF]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Increased [[hepatic]] [[echogenicity]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatomegaly]], [[Splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Increased [[hepatic]] [[echogenicity]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vasculitic]] skin, [[Antigen]] infilteration in [[lesions]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatitis C|HCV RNA]], [[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Palpable [[purpura]], [[Microscopic hematuria]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Henoch-Schönlein purpura|IgA vasculitis (Henoch-Schönlein purpura)]]<ref name="pmid26990342">{{cite journal |vauthors=Farhadian JA, Castilla C, Shvartsbeyn M, Meehan SA, Neimann A, Pomeranz MK |title=IgA vasculitis (Henoch-Schönlein purpura) |journal=Dermatol. Online J. |volume=21 |issue=12 |pages= |date=December 2015 |pmid=26990342 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[IgA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normochromic anemia]], [[Leukocytosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Occult blood|Stool OB]], ↓[[C3 (complement)|C3]], ↓[[C4A|C4]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Increased [[bowel]] wall thickness, [[Hematoma|hematomas]], [[peritoneal fluid]], and [[intussusception]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Dilated loops of [[bowel]] consistent in [[abdominal X-ray]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytoclastic vasculitis]] in postcapillary [[venules]] with [[IgA]] deposition
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]], [[Purpura|Palpable purpura]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hypocomplementemia|Hypocomplementemic urticarial vasculitis (anti-C1q vasculitis)]]<ref name="pmid22328958">{{cite journal| author=Buck A, Christensen J, McCarty M| title=Hypocomplementemic urticarial vasculitis syndrome: a case report and literature review. | journal=J Clin Aesthet Dermatol | year= 2012 | volume= 5 | issue= 1 | pages= 36-46 | pmid=22328958 | doi= | pmc=3277093 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22328958  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C11orf1|C1q]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antinuclear antibodies|ANA]], ↓[[C10orf10|C1q]], ↓[[C3 (complement)|C3]], ↓[[C4A|C4]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatomegaly]], [[Splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Deposits of [[immunoglobulins]], [[complement]], or [[fibrin]] around [[blood vessels]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Urticaria]],
 
[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Urticaria]], [[Hematuria]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Gastrointestinal diseases|Gastrointestinal disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Acute mesenteric ischemia]]<ref name="pmid24267504">{{cite journal |vauthors=Sise MJ |title=Acute mesenteric ischemia |journal=Surg. Clin. North Am. |volume=94 |issue=1 |pages=165–81 |date=February 2014 |pmid=24267504 |doi=10.1016/j.suc.2013.10.012 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[FABP1|I-FABP]], [[GSTA1|Alpha-GST]], [[Ischemia-modified albumin (IMA)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], ↑[[Hematocrit|HCT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | ↑[[Amylase]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bowel]] wall thickening, [[Pneumatosis intestinalis|Intestinal pneumatosis]], [[Mesenteric ischemia|Portomesenteric]] thrombosis
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mesenteric vein thrombosis|Mesenteric venous thrombosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Artery|Arterial]] [[stenosis]] or occlusion of the [[Celiac artery|celiac]] or [[superior mesenteric arteries]] in [[duplex ultrasound]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Ileus]] with distended loops of [[bowel]], [[Bowel]] wall thickening in [[abdominal X-ray]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Superficial [[Mucosal bleeding|mucosal hemorrhage]], [[edema]] and [[necrosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Abdominal pain]], [[Distension]], [[Absent bowel sounds]]
|-
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cardiovascular diseases|Cardiovascular disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Infective Endocarditis]]<ref name="pmid19665088">{{cite journal| author=McDonald JR| title=Acute infective endocarditis. | journal=Infect Dis Clin North Am | year= 2009 | volume= 23 | issue= 3 | pages= 643-64 | pmid=19665088 | doi=10.1016/j.idc.2009.04.013 | pmc=2726828 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19665088  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[NT-proBNP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normochromic anemia|Normochromic-normocytic anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypergammaglobulinemia|Hyperglobulinemia]], [[Cryoglobulinemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Metastatic]] [[infections]], such as [[Splenic infarction|splenic infarct]], [[Renal infarct|renal infarcts]], or [[psoas abscess]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vegetation (pathology)|Vegetation]], [[abscess]], or new dehiscence of a [[Prosthetic valves|prosthetic valve]]<nowiki/>in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vertebral osteomyelitis]] in [[Magnetic resonance imaging|MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vegetation (pathology)|Vegetation]] or [[Abscess|intracardiac abscess]] demonstrating active [[endocarditis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Echocardiography]] ([[TTE]])
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Janeway lesions]], [[Osler nodes]], [[Roth's spot|Roth spots]], [[Vertebral osteomyelitis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Leukocytoclastic vasculitis|Leukocytoclastic Vasculitis]]<ref name="pmid26176572">{{cite journal| author=Einhorn J, Levis JT| title=Dermatologic Diagnosis: Leukocytoclastic Vasculitis. | journal=Perm J | year= 2015 | volume= 19 | issue= 3 | pages= 77-8 | pmid=26176572 | doi=10.7812/TPP/15-001 | pmc=4500485 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26176572  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[IgM]], [[IgA]], [[Immunoglobulin G|IgG]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypocomplementemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vascular]] [[stenosis]] and [[obstruction]] in visceral [[Angiogram|angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Perivascular [[inflammatory]] infiltrate of [[neutrophils]] with leukocytoclasia (releasing [[nuclear]] debris)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Purpura|Palpable purpura]], [[Petechiae]] 
|-
! rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Langerhans Cell Histiocytosis]]<ref name="pmid18572052">{{cite journal |vauthors=Margo CE, Goldman DR |title=Langerhans cell histiocytosis |journal=Surv Ophthalmol |volume=53 |issue=4 |pages=332–58 |date=2008 |pmid=18572052 |doi=10.1016/j.survophthal.2008.04.007 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CD1a]], CD207,[[BRAF (gene)|BRAF-V600E]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypercalcemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary cystic lymphangiectasis|Pulmonary cysts]] and [[Pulmonary nodule|nodules]], [[Lytic|Bone lytic lesions]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatomegaly]], [[Splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebellum]] and [[pons]] hyperintensity in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Birbeck granules]] by [[electron microscopy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Brown to purplish [[papules]], [[Eczematous Scaling|Eczematous rash]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Non small cell lung cancer|Non-Small Cell Lung Cancer]]<ref name="pmid18452692">{{cite journal| author=Molina JR, Yang P, Cassivi SD, Schild SE, Adjei AA| title=Non-small cell lung cancer: epidemiology, risk factors, treatment, and survivorship. | journal=Mayo Clin Proc | year= 2008 | volume= 83 | issue= 5 | pages= 584-94 | pmid=18452692 | doi=10.4065/83.5.584 | pmc=2718421 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18452692  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[EGFR]], ''[[ROS1]],'' [[Anaplastic lymphoma kinase|EML4-''ALK'']],  [[PD-L1]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypercalcemia]], [[Hyponatremia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary|Pulmonary lesion]] or [[mass]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary]] marginal [[lesions]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cancer staging|Staging]] and response to treatment in [[Positron emission tomography|PET-CT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Adenocarcinoma of the lung pathophysiology|Adenocarcinoma]], [[Squamous cell carcinoma of the lung pathophysiology|Squamous cell carcinoma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Computed tomography|High resolution CT-scan]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cough]], [[Hemoptysis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Small cell lung cancer|Small Cell Lung Cancer]]<ref name="pmid16226617">{{cite journal |vauthors=Jackman DM, Johnson BE |title=Small-cell lung cancer |journal=Lancet |volume=366 |issue=9494 |pages=1385–96 |date=2005 |pmid=16226617 |doi=10.1016/S0140-6736(05)67569-1 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |''[[P53 (protein)|p53]],'' [[Thyroid transcription factor-1|Thyroid transcription factor-1 (TTF1)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hyponatremia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Large [[hilar]] mass with bulky [[mediastinal]] [[adenopathy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Endobronchial [[ultrasound]] (EBUS)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Standard [[Staging (pathology)|staging]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Spindled cells with dark [[nuclei]], scant [[cytoplasm]], and fine, granular [[Chromatin|nuclear chromatin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Computed tomography|High resolution CT-scan]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cough]], [[Hemoptysis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary Infarction]]<ref name="pmid15821192">{{cite journal |vauthors=Parambil JG, Savci CD, Tazelaar HD, Ryu JH |title=Causes and presenting features of pulmonary infarctions in 43 cases identified by surgical lung biopsy |journal=Chest |volume=127 |issue=4 |pages=1178–83 |date=April 2005 |pmid=15821192 |doi=10.1378/chest.127.4.1178 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[D-dimer]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[leukocytosis]], Mild [[anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypoxemia]], [[Hypocarbia]] or [[Hypercarbia]],  [[Respiratory alkalosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary embolism]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Low-[[density]] filling defect within the [[pulmonary artery]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pericardial effusion]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary]] infiltrates, [[atelectasis]], and [[pleural effusions]] in [[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Infarct]] induced [[apoptosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary artery]] [[angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cough]], [[Hemoptysis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Renal disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Acute poststreptococcal glomerulonephritis|Acute Poststreptococcal Glomerulonephritis]]<ref name="pmid25554106">{{cite journal |vauthors=VanDeVoorde RG |title=Acute poststreptococcal glomerulonephritis: the most common acute glomerulonephritis |journal=Pediatr Rev |volume=36 |issue=1 |pages=3–12; quiz 13 |date=January 2015 |pmid=25554106 |doi=10.1542/pir.36-1-3 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antistreptococcal antibodies|Antistreptolysin-O (ASO) titers]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypocomplementemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal to slightly enlarged [[kidneys]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Central venous pressure|Central venous]] congestion in a [[hilar]] pattern  in [[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Hypercellularity of [[Endothelial cells|endothelial]] and [[mesangial cells]], Infiltration of the [[glomerular]] tuft with [[polymorphonuclear cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]]
|-
! rowspan="8" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hematologic disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hemolytic-uremic syndrome|Hemolytic-Uremic Syndrome]]<ref name="pmid11691946">{{cite journal |vauthors=Corrigan JJ, Boineau FG |title=Hemolytic-uremic syndrome |journal=Pediatr Rev |volume=22 |issue=11 |pages=365–9 |date=November 2001 |pmid=11691946 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C5a|C5b-9]], [[ADAMTS13]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]], [[Thrombocytopenia]], [[Reticulocytosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Lactate dehydrogenase|Lactate dehydrogenase (LDH)]], [[Hypercalcemia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thalami]], [[brainstem]], or [[cerebellum]] abnormality
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral]] [[microangiopathy]] or [[hypertension]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Hypoechoic [[kidney]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Abnormal hyperintensity in the [[Brain|brain cisterns]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thromboses|Microthromboses]] include [[Fibrin|fibrin thrombi]] that may occlude the [[glomerular]] tuft
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with [[Medical laboratory|laboratory abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]], [[Proteinuria]] 
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Chronic Lymphocytic Leukemia|Chronic Lymphocytic Leukemia (CLL)]]<ref name="pmid15561682">{{cite journal |vauthors=Byrd JC, Stilgenbauer S, Flinn IW |title=Chronic lymphocytic leukemia |journal=Hematology Am Soc Hematol Educ Program |volume= |issue= |pages=163–83 |date=2004 |pmid=15561682 |doi=10.1182/asheducation-2004.1.163 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CD5]], [[CD19]], [[CD20]], IgV<sub>H</sub>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Absolute [[lymphocytosis]], Smudge cells
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Flow cytometry]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cancer staging|Staging]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Large atypical [[Cells (biology)|cells]], cleaved cells, and [[prolymphocytes]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Chromosomal]] and [[genetic testing]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Easy bruising]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Multiple myeloma|Multiple Myeloma]]<ref name="pmid28318212">{{cite journal |vauthors=Michels TC, Petersen KE |title=Multiple Myeloma: Diagnosis and Treatment |journal=Am Fam Physician |volume=95 |issue=6 |pages=373–383 |date=March 2017 |pmid=28318212 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Light chain|Ig light chain]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]], [[Thrombocytopenia]], [[Leukopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bone marrow aspiration]] and [[biopsy]], ↑[[Cr]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Osseous]] involvement and [[Lytic|lytic lesions]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Peripheral zone of increased [[vascularity]] in lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Punched-out lesion in [[X-ray|skull X-ray]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clonal proliferation of [[plasma cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Protein electrophoresis]] plus conventional [[X-rays]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Constipation]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hypereosinophilic syndrome|Hypereosinophilic Syndrome]]<ref name="pmid19630574">{{cite journal |vauthors=Klion A |title=Hypereosinophilic syndrome: current approach to diagnosis and treatment |journal=Annu. Rev. Med. |volume=60 |issue= |pages=293–306 |date=2009 |pmid=19630574 |doi=10.1146/annurev.med.60.062107.090340 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[IgE]], [[CD117]] with [[CD2]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑Serum [[tryptase]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphadenopathy]] and [[splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Intracardiac thrombus|Intracardiac thrombi]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Reticulin|Reticulin stain]] for [[myelofibrosis]] and [[tryptase]] staining for [[mast cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with [[Medical laboratory|laboratory abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Splinter hemorrhages]], [[Raynaud phenomenon]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Non-Hodgkin lymphoma|Non-Hodgkin Lymphoma]]<ref name="pmid22835603">{{cite journal |vauthors=Shankland KR, Armitage JO, Hancock BW |title=Non-Hodgkin lymphoma |journal=Lancet |volume=380 |issue=9844 |pages=848–57 |date=September 2012 |pmid=22835603 |doi=10.1016/S0140-6736(12)60605-9 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[C-myc|MYC]], [[BCL2-like 1 (gene)|BCL2]], [[BCL6]], and [[TP53]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphocytosis]], [[Anemia]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Lactate dehydrogenase|Lactate dehydrogenase (LDH)]], [[Hypercalcemia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Enlarged [[Lymph node|lymph nodes]], [[Hepatosplenomegaly]], Filling defects in the [[liver]] and [[spleen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatosplenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mediastinal lymphadenopathy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Small cleaved or noncleaved, intermediate, or large cell with a follicular or diffuse pattern
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Surgically excised tissue [[biopsy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Easy bruising]], [[Testicular mass]], [[Skin lesions|Skin lesion]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Serum sickness|Serum Sickness]]<ref name="pmid2867672">{{cite journal |vauthors=Lin RY |title=Serum sickness syndrome |journal=Am Fam Physician |volume=33 |issue=1 |pages=157–62 |date=January 1986 |pmid=2867672 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[IL-1]], [[IL-6]], [[TNF]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukopenia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Gammopathy|Polyclonal gammopathy]], ↑[[Cr]], [[Cryoglobulinemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Arteritic lesions are focal, [[necrotizing]], and [[inflammatory]]  involving all layers of the [[artery]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with [[Medical laboratory|laboratory abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]], [[Skin rash]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Disseminated intravascular coagulation|Disseminated Intravascular Coagulation]]<ref name="pmid25535423">{{cite journal| author=Venugopal A| title=Disseminated intravascular coagulation. | journal=Indian J Anaesth | year= 2014 | volume= 58 | issue= 5 | pages= 603-8 | pmid=25535423 | doi=10.4103/0019-5049.144666 | pmc=4260307 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25535423  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fibrin degradation product|Fibrin degradation product (FDP)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombocytopenia]], [[Schistocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[D-dimer]], [[aPTT]] and [[PT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Intracranial hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Ischemia]] and [[necrosis]] due to [[Fibrin|fibrin deposition]] in small and medium-sized [[vessels]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with [[Medical laboratory|laboratory abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Cyanosis|Acral cyanosis]], [[Hemorrhagic]] skin [[Infarction|infarctions]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Idiopathic thrombocytopenic purpura|Idiopathic Thrombocytopenic Purpura]]<ref name="pmid27441004">{{cite journal| author=Nomura S| title=Advances in Diagnosis and Treatments for Immune Thrombocytopenia. | journal=Clin Med Insights Blood Disord | year= 2016 | volume= 9 | issue=  | pages= 15-22 | pmid=27441004 | doi=10.4137/CMBD.S39643 | pmc=4948655 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27441004  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[FCGR2B|FC gamma receptors (FCGR) IIb]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[HIV]], [[ANA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |R/O other causes
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |R/O [[splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Increased number of normal morphologic [[megakaryocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with [[thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Easy bruising]], [[Purpura]]
|-
! rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Sarcoidosis]]<ref name="pmid27454074">{{cite journal| author=Chiarchiaro J, Chen BB, Gibson KF| title=New molecular targets for the treatment of sarcoidosis. | journal=Curr Opin Pulm Med | year= 2016 | volume= 22 | issue= 5 | pages= 515-21 | pmid=27454074 | doi=10.1097/MCP.0000000000000304 | pmc=5152532 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27454074  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[IL-2]] and [[Interferon gamma|IFN-γ]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Angiotensin-converting enzyme|ACE]], ↑[[Vitamin D|1, 25-dihydroxyvitamin D]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Active [[alveolitis]] or [[fibrosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatosplenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Bilateral [[Adenopathy|hilar adenopathy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Granuloma|Noncaseating granulomas (NCGs)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heart block]], [[Ocular disease|Ocular lesion]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Legionella Infections|Legionella Infection]]<ref name="pmid12491204">{{cite journal |vauthors=Murdoch DR |title=Diagnosis of Legionella infection |journal=Clin. Infect. Dis. |volume=36 |issue=1 |pages=64–9 |date=January 2003 |pmid=12491204 |doi=10.1086/345529 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cytokine|Inflammatory cytokines]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[left shift]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[D-dimer]], [[Fibrin degradation product|FDP]], [[Hyponatremia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pleural effusion]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nonspecific and indistinguishable [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Intra-[[alveolar]] [[inflammation]], [[Abscesses|Microabscesses]] in the [[parenchyma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Sputum culture]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cough]], [[Diarrhea]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic lupus erythematosus]]<ref name="Tsokos2011">{{cite journal|last1=Tsokos|first1=George C.|title=Systemic Lupus Erythematosus|journal=New England Journal of Medicine|volume=365|issue=22|year=2011|pages=2110–2121|issn=0028-4793|doi=10.1056/NEJMra1100359}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anti-dsDNA antibody|Anti dsDNA]], [[ANA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Leukopenia]], [[Lymphopenia]], [[Anemia]],  [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑[[ALT]] or [[AST]], [[Proteinuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Interstitial lung disease, [[Pneumonitis]], [[Pulmonary emboli]], [[Hemorrhage|Alveolar hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pericardial effusion]], [[pulmonary hypertension]], or verrucous [[Libman-Sacks endocarditis]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Central nervous system|Central nervous system (CNS)]] [[Systemic lupus erythematosus|lupus]] white-matter changes in [[MRI]]
! align="center"  style="padding: 5px 5px; background: #F5F5F5;" |Staging [[lupus nephritis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anti-dsDNA antibody|Anti-dsDNA antibody test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Skin rashes]] or [[photosensitivity]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Rheumatoid arthritis]]<ref name="pmid16824912">{{cite journal| author=Scott JT| title=The gold standard in rheumatoid arthritis. | journal=J R Soc Med | year= 1991 | volume= 84 | issue= 9 | pages= 513-4 | pmid=1682491 | doi= | pmc=1293405 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1682491  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RF]], [[Anti-citrullinated protein antibody|Anti-CCP antibody]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑[[ALT]] or [[AST]], [[ANA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fractures|Microfractures]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Joint (anatomy)|Effusions in joints]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Basilar invagination with [[cranial]] migration of an eroded [[Odontoid process|odontoid]] peg in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Influx of [[inflammatory cells]] into the [[synovial membrane]], with  [[angiogenesis]], proliferation of chronic [[inflammatory cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled [[Anti-citrullinated protein antibody|anti-CCP antibody]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rheumatoid nodules]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Relapsing polychondritis]]<ref name="pmid27708954">{{cite journal| author=Emmungil H, Aydın SZ| title=Relapsing polychondritis. | journal=Eur J Rheumatol | year= 2015 | volume= 2 | issue= 4 | pages= 155-159 | pmid=27708954 | doi=10.5152/eurjrheum.2015.0036 | pmc=5047229 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27708954  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cryoglobulins]], [[ANA]], [[C-ANCA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Calcification]] of [[Cartilaginous|cartilaginous structures]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aortic root|Aortic root dilatation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aortic root|Aortic root dilatation]] and degree of [[aortic regurgitation]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tracheal stenosis]] in [[CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Chondrolysis, [[Chondritis]],  Perichondritis
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings coupled with imaging
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Ear pain]] and redness, [[Polyarthritis]]
|-
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diseases
! style="background:#4479BA; color: #FFFFFF;" align="center" |Headache
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! style="background:#4479BA; color: #FFFFFF;" align="center" |Arthralgia
! style="background:#4479BA; color: #FFFFFF;" align="center" |Claudication
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bruit
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |HTN
! style="background:#4479BA; color: #FFFFFF;" align="center" |Focal neurological disorder
! style="background:#4479BA; color: #FFFFFF;" align="center" |Biomarker
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |ESR
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
! style="background:#4479BA; color: #FFFFFF;" align="center" |Angiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ultrasound/ Echocardiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |Histopathology
! style="background:#4479BA; color: #FFFFFF;" align="center" |'''Gold standard'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
! rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Variable-vessel vasculitis
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Behçet's disease|Behçet’s syndrome]]<ref name="pmid17334337">{{cite journal |vauthors=Yazici H, Fresko I, Yurdakul S |title=Behçet's syndrome: disease manifestations, management, and advances in treatment |journal=Nat Clin Pract Rheumatol |volume=3 |issue=3 |pages=148–55 |date=March 2007 |pmid=17334337 |doi=10.1038/ncprheum0436 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CXCL1]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]], [[Neutrophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Factor V Leiden]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal [[CNS]] lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysm]] formation and [[thrombosis]] areas
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Valve [[Vegetation (pathology)|vegetations]] and [[Thrombi|ventricular thrombi]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Meningoencephalitis]]   in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphocytic]] and [[plasma cell]] invasion in the [[prickle cell]] layer of the [[epidermis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical criteria
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Genital skin lesions|Genital ulcerations]], [[Oral ulcerations|Oral ulceration]]
|-
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cogan syndrome|Cogan's syndrome]]<ref name="pmid27373108">{{cite journal| author=Iliescu DA, Timaru CM, Batras M, De Simone A, Stefan C| title=COGAN'S SYNDROME. | journal=Rom J Ophthalmol | year= 2015 | volume= 59 | issue= 1 | pages= 6-13 | pmid=27373108 | doi= | pmc=5729811 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27373108  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Hsp70|Anti-Hsp70 antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RF]], [[ANA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Thickening and enhancement of both posterior [[sclera]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Stenosis]], [[thrombosis]] or more lesions in [[aortic root]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aortic insufficiency]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Early [[interstitial keratitis]] by [[slit lamp]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Muscle]] [[necrosis]] and [[atrophy]] resembling [[myositis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |'''[[Red eye]], [[Hearing loss]], [[Vertigo]]'''
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Gastrointestinal diseases|Gastrointestinal disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Inflammatory bowel disease|Inflammatory Bowel Disease]]<ref name="pmid26900160">{{cite journal| author=Wehkamp J, Götz M, Herrlinger K, Steurer W, Stange EF| title=Inflammatory Bowel Disease. | journal=Dtsch Arztebl Int | year= 2016 | volume= 113 | issue= 5 | pages= 72-82 | pmid=26900160 | doi=10.3238/arztebl.2016.0072 | pmc=4782273 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26900160  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Anti-[[Saccharomyces cerevisiae|Saccharomyces cerevisiae antibody]] (ASCA), [[P-ANCA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Iron deficiency anemia|Iron]] or [[vitamin deficiency]], [[Fecal occult blood|Stool OB]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mesenteric]] fat stranding, bowel wall enhancement, increased [[vascularity]] (comb sign)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fistulas]], [[Abscesses]], [[Stenosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Grossly denuded [[Mucosal|mucosa]] with active [[bleeding]] in [[colonoscopy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Crypt abscess|Crypt abscesses]] and [[Ulceration|mucosal ulceration]], [[Granulomas]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Endoscopy]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Gastrointestinal bleeding|GI bleeding]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Whipple's disease]]<ref name="pmid11432814">{{cite journal| author=Dutly F, Altwegg M| title=Whipple's disease and "Tropheryma whippelii". | journal=Clin Microbiol Rev | year= 2001 | volume= 14 | issue= 3 | pages= 561-83 | pmid=11432814 | doi=10.1128/CMR.14.3.561-583.2001 | pmc=88990 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11432814  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CCR4|CCR6]], [[Integrin, beta 6|Gut-homing marker integrin β7-chain]], ''[[Tropheryma whipplei|T whippelii DNA]]''
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]], [[Neutrophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fecal fat|72-hour fecal fat determination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nonspecific [[malabsorption]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatosplenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Periodic acid-Schiff]]–positive [[macrophages]] infiltration in [[lamina propria]] of the [[small bowel]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Broad-spectrum [[Polymerase chain reaction|PCR]] amplifications
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cachexia]],
 
[[Glossitis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Sjögren's syndrome]]<ref name="pmid28610655">{{cite journal| author=Stefanski AL, Tomiak C, Pleyer U, Dietrich T, Burmester GR, Dörner T| title=The Diagnosis and Treatment of Sjögren's Syndrome. | journal=Dtsch Arztebl Int | year= 2017 | volume= 114 | issue= 20 | pages= 354-361 | pmid=28610655 | doi=10.3238/arztebl.2017.0354 | pmc=5471601 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28610655  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Anti-Ro and Anti-La, Anti-alpha-fodrin [[antibody]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]],
 
[[Leukopenia]],
 
[[Eosinophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hypergammaglobulinemia]], Low [[bicarbonate]] level, [[Hypokalemia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Salt and pepper or honeycomb appearance in [[parotid glands]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Multicystic or reticular pattern in [[atrophic]] [[salivary gland]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |R/O [[Obstruction|obstructions]] or [[strictures]] with [[Sialography]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal aggregates of [[lymphocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Schirmer's test|Schirmer test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Keratoconjunctivitis]], [[Gingival|Gingival inflammation]]
|-
! rowspan="6" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Single-organ vasculitis
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Primary [[central nervous system]] [[vasculitis]]<ref name="pmid16575852">{{cite journal |vauthors=Benseler SM, Silverman E, Aviv RI, Schneider R, Armstrong D, Tyrrell PN, deVeber G |title=Primary central nervous system vasculitis in children |journal=Arthritis Rheum. |volume=54 |issue=4 |pages=1291–7 |date=April 2006 |pmid=16575852 |doi=10.1002/art.21766 |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Von Willebrand factor (vWF)|von Willebrand factor antigen (vWF)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CSF]] [[pleocytosis]], predominantly [[lymphocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral]] [[Infarction|infarcts]] or [[hemorrhages]] with [[mass effect]], or [[hydrocephalus]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysm]] in [[circle of Willis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Progression of the disease or response to therapy in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Chronic [[granulomatous]] [[inflammation]] and [[giant cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Skin rash]], [[Purpura]]
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Infectious disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Aspergillosis]]<ref name="pmid10194462">{{cite journal| author=Latgé JP| title=Aspergillus fumigatus and aspergillosis. | journal=Clin Microbiol Rev | year= 1999 | volume= 12 | issue= 2 | pages= 310-50 | pmid=10194462 | doi= | pmc=88920 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10194462  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aspergillus]] [[nucleic acid]] in [[blood]], [[Galactomannan]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑Serum [[Immunoglobulin E|IgE]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aspergilloma]] mass within a cavity
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mass effect]] [[stenosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aspergilloma]] mass within the brain in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Septate [[hyphae]], branching at acute angles, and tissue [[necrosis]] with  [[Granuloma|granulomata]] and [[blood vessel]] invasion
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology|Histological confirmation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hemoptysis]], [[Aspergilloma]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Histoplasmosis]]<ref name="pmid20445761">{{cite journal| author=Guimarães AJ, Nosanchuk JD, Zancopé-Oliveira RM| title=DIAGNOSIS OF HISTOPLASMOSIS. | journal=Braz J Microbiol | year= 2006 | volume= 37 | issue= 1 | pages= 1-13 | pmid=20445761 | doi=10.1590/S1517-83822006000100001 | pmc=2863343 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20445761  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Alkaline phosphatase|ALP]], ↑[[LDH]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral]] [[histoplasmosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Valvular Diseases|Valvular involvement]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[PFTs|PFT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Presence of [[yeast]] forms in tissue through [[Hematoxylin and eosin stain|hematoxylin and eosin staining]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Sputum cultures]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pneumonia]], [[Mediastinitis]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Herpes Simplex Encephalitis]]<ref name="pmid9163027">{{cite journal |vauthors=Sköldenberg B |title=Herpes simplex encephalitis |journal=Scand J Infect Dis Suppl |volume=100 |issue= |pages=8–13 |date=1996 |pmid=9163027 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Herpes simplex virus|HSV]] [[DNA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[lymphocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CSF]] [[pleocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Low-density lesions in the [[Temporal lobe|temporal]] and/or [[frontal lobe]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hemorrhagic]] lesion in [[white matter]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Multinucleated giant cell|Multinuclear giant cells]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[PCR]] or [[brain biopsy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Seizures]],
 
[[Vomiting]]
|-
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic diseases|Systemic disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Eclampsia]]<ref name="pmid21822394">{{cite journal| author=Uzan J, Carbonnel M, Piconne O, Asmar R, Ayoubi JM| title=Pre-eclampsia: pathophysiology, diagnosis, and management. | journal=Vasc Health Risk Manag | year= 2011 | volume= 7 | issue=  | pages= 467-74 | pmid=21822394 | doi=10.2147/VHRM.S20181 | pmc=3148420 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21822394  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vascular endothelial growth factor|VEGF]], [[PlGF]], Soluble [[FLT1|FLT-1]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]], [[Thrombocytopenia]], [[Schistocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Bilirubin]], ↓[[Haptoglobin]], ↑[[Lactate dehydrogenase|LDH]], ↑[[Creatinine|Cr]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Cortical hypodense areas in the [[Occipital lobe|occipital lobes]], Diffuse [[cerebral edema]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fetal growth retardation|Poor fetal growth]], [[Oligohydramnios]], Abnormal [[umbilical artery]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Increased signal at the [[Gray matter|gray-white matter junction]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Urinalysis|24-hour urine study]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Seizure]], [[Edema]]
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Fibromuscular dysplasia]]<ref name="pmid17555581" />
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Transforming growth factor β|Transforming growth factor β (TGF-β)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Alternating [[stenosis]] and [[Dilatation|dilatations]] in [[CT angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stenosis]] in the [[renal arteries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Luminal narrowing alternating with [[dilatation]] (Beads sign)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal [[concentric]], long-segment [[tubular]] [[stenosis]] or outpouching in [[MRA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Fibrodysplastic changes, [[Collagen]] deposition
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Digital subtraction angiography|Digital subtraction angiography (DSA)]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Spontaneous coronary artery dissection|Spontaneous coronary artery dissection (SCAD)]]
|-
|}
</small></small></small>'''Differentiating renal disease in the microscopic polyangiitis from other Diseases:'''
 
The various types of glomerular diseases should be differentiated from each other based on associations, presence of [[pitting edema]], [[hematuria]], [[hypertension]], [[hemoptysis]], [[oliguria]], peri-orbital edema, [[hyperlipidemia]], type of [[antibodies]], [[Light microscope|light]] and [[Electron microscopy|electron microscopic]] features. The following table differentiates between various types of glumerular diseases:
The various types of glomerular diseases should be differentiated from each other based on associations, presence of [[pitting edema]], [[hematuria]], [[hypertension]], [[hemoptysis]], [[oliguria]], peri-orbital edema, [[hyperlipidemia]], type of [[antibodies]], [[Light microscope|light]] and [[Electron microscopy|electron microscopic]] features. The following table differentiates between various types of glumerular diseases:



Latest revision as of 14:10, 25 April 2019

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Ali Poyan Mehr, M.D. [2]Associate Editor(s)-in-Chief: Krzysztof Wierzbicki M.D. [3], Eiman Ghaffarpasand, M.D. [4], Mehrian Jafarizade, M.D [5]

Overview

Microscopic polyangiitis must be differentiated from other diseases that cause purpura, alveolar hemorrhage, fever, arthralgia, myalgia, necrotizing extra-capillary glomerulonephritis, such as Granulomatosis with polyangiitis and Eosinophilic granulomatosis with polynagiitis.

Differentiating Microscopic polyangiitis for other diseases

Microscopic polyangiitis must be differentiated from other diseases that cause purpura, alveolar hemorrhage, necrotizing extra-capillary glomerulonephritis, such as Eosinophilic granulomatosis with polyangiitis and Granulomatosis with polyangiitis.

Anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis serological findings
Eosinophilic granulomatosis with polyangiitis Granulomatosis with polyangiitis Microscopic polyangiitis
Cytoplasmic ANCA (cANCA) 90% positive
Perinuclear ANCA (pANCA) 30 to 40% positive 60 to 80% positive
Myeloperoxidase antigen 40% sensitivity 10% sensitivity 30% sensitivity
Proteinase 3 antigen <5% sensitivity 70-80% sensitivity 60% sensitivity

Differentiating Microscopic polyangiitis from other Diseases:

Abbreviations: ABG= Arterial blood gas, ANA= Antinuclear antibody, ANP= Atrial natriuretic peptide, ASO= Antistreptolysin O antibody, BNP= Brain natriuretic peptide, CBC= Complete blood count, COPD= Chronic obstructive pulmonary disease, CRP= C-reactive protein, CT= Computed tomography, CXR= Chest X-ray, DVT= Deep vein thrombosis, ESR= Erythrocyte sedimentation rate, HRCT= High Resolution CT, IgE= Immunoglobulin E, LDH= Lactate dehydrogenase, PCWP= Pulmonary capillary wedge pressure, PCR= Polymerase chain reaction, PFT= Pulmonary function test.

Diseases Clinical manifestations Para-clinical findings Gold standard Additional findings
Symptoms Physical examination
Lab Findings Imaging Histopathology
Headache Fever Weight loss Arthralgia Claudication Bruit HTN Focal neurological disorder Biomarker CBC ESR Other CT scan Angiography Ultrasound/ Echocardiography Other
Large-Vessel Vasculitis Takayasu arteritis[1] + +/- + - + + +/- +/- MMP-3 and MMP-9 Leukocytosis, Anemia CRP Aneurysmal dilatation of the aorta Blood vessel stenosis Circumferential thickening of the arterial wall (Macaroni sign) PET-scan, Cardiac CT Granulomatous inflammation of arteries Arteriography Coronary aneurysm
Giant cell arteritis[2] + - + +/- - - - +/- Pentraxin 3 (PTX3) Normal CRP Stenosis, Occlusion, Dilatation Aneurysm - Mural inflammation in MRA Granulomatous inflammation of arteries Biopsy  Jaw pain and claudication
Neurological disease Cerebral aneurysm[3] + - - - - - +/- + - Normal Normal - Well-defined round, slightly hyperattenuating lesion Bulging out of the main lumen - Heterogeneous signal intensity in MRA Layers of smooth muscle cells, Intact endothelium Digital subtraction angiography (DSA) Nausea, Vomiting
Neurofibromatosis type 1[4] +/- - +/- - - - + + NF1 mutated gene Normal Normal Neurofibromin gene Bone abnormalities  Optical coherence tomography angiography (OCTA) - Optic nerve gliomas in MRI Elongated spindle-shaped cells in neurofibromas NIH diagnostic criteria Cafe au Lait spot
Neurofibromatosis type 2[5] +/- - +/- - +/- - - + NF2 mutated gene Normal Normal Schwannomin Meningioma, Schwannoma, Ependymoma Fluorescein angiography showed retinal hamartoma Localized schwannomas in nerve ultrasound Schwannoma in MRI Encapsulated biphasic nerve sheath tumor NIH diagnostic criteria Hearing loss, Vision loss
Systemic disease Fibromuscular dysplasia[6] + - +/- + + + + +/- Transforming growth factor β (TGF-β) Normal Cr or BUN Alternating stenosis and dilatations in CT angiography Stenosis in the renal arteries Luminal narrowing alternating with dilatation (Beads sign) Focal concentric, long-segment tubular stenosis or outpouching in MRA Fibrodysplastic changes, Collagen deposition Digital subtraction angiography (DSA)  Spontaneous coronary artery dissection (SCAD)
Ehlers-Danlos syndrome[7] - - - + +/- +/- - +/- TGF-β Normal Normal Cultured skin fibroblasts Multiple vascular segments with aneurysms and dissections Dissection of the posterolateral branch of the left circumflex coronary artery (LCx) Visceral arteries abnormality Vascular abnormalities in MRA Thin and rare collagen bundles in the dermis History and physical examination Bleeding, Bruisability, Heart murmur
Polymyalgia rheumatica (PMR)[8] + - +/- + - - - - Plasma fibrinogen Normocytic, normochromic anemia CRP Periodontoid localization of calcification Vessel wall thickening, Increased mural contrast enhancement Subacromial or subdeltoid bursitis High F-FDG accumulation around the joints in FDG PET-CT Small angular fibers, Pyknotic nuclear clumps, or target-targetoid fibers - Joint stiffness, Fatigue
Amyloidosis[9] +/- - - +/- +/- - + + Immunoglobulin light chain(Amyloid) Anemia Normal Cr or BUN,

ALT or AST

Diffusely hypoattenuating and enlarged liver Amyloid deposition in the media and adventitia of small arteries  Solid organs increased echogenicity Tc-DPD for cardiac amyloid deposits Extracellular deposition of fibrillar proteins Biopsy Cardiomegaly, Dyspnea
Diseases Headache Fever Weight loss Arthralgia Claudication Bruit HTN Focal neurological disorder Biomarker CBC ESR Other CT scan Angiography Ultrasound/ Echocardiography Other Histopathology Gold standard Additional findings
Medium-Vessel Vasculitis Polyarteritis nodosa[10] + + + + + + +/- +/- LAMP-2 protein autoantibodies Leukocytosis, Normochromic anemia, Thrombocytosis Cr or BUN,

ALT or AST, Proteinuria

Focal regions of infarction or hemorrhage Multiple microaneurysms, Hemorrhage due to focal rupture, Occlusion Aneurysms and renal arteriovenous fistula in color Doppler sonography - Necrotizing inflammatory lesions Angiography Sudden weight loss, Abdominal pain
Hepatitis B virus-associated polyarteritis nodosa[11] +/- +/- + + +/- +/- + - HBsAg Leukocytosis, Normochromic anemia, Thrombocytosis ALT or AST Focal regions of infarction or hemorrhage Microaneurysms in mesenteric artery Aneurysms and renal arteriovenous fistula in color Doppler sonography - Necrotizing inflammatory lesions Angiography Peripheral neuropathy, Livedo reticularis
Kawasaki disease[12] - + +/- + + - +/- - NT-proBNP, Meprin A, Filamin C Normochromic anemia, ↑WBC with a left shift, Thrombocytosis  Acute-phase reactants, ↓Cholesterol, ↓HDL, ↓ApolipoA Coronary artery calcifications Coronary artery aneurysms, stenosis or occlusion Coronary artery anomaly in echocardiography Electron beam CT (EBCT) Acute destruction of the media by neutrophils, with loss of elastic fibers History and physical examination Diarrhea, Vomiting
Infectious disease Parvovirus B19 infection[13] + + + + - - - +/- B19 DNA, ↓Reticulocyte count Anemia anti–parvovirus B19 IgM - - Hydrops in fetal ultrasonography - - B19 DNA Purpuric rash, Erythema multiforme
Scarlet fever[14] + + +/- + - - - - Antistreptolysin-O (ASO) titers Leukocytosis CRP Thickened pulmonary markings if pneumonia - - - Sparse neutrophilic perivascular infiltrate History and physical examination Sand-paper rashes, Sore throat
Toxic shock syndrome[15] + + + + - - - +/- Procalcitonin Leukocytosis with left shift Myoglobinuria, Sterile pyuria Acute respiratory distress syndrome - - - Necrolysis of keratinocytes in epidermis, Perivascular lymphocytic infiltrate Clinical criteria Peeling or rashes, Organ dysfunction
Mononucleosis[16] + + + + - - - - EBV DNA Atypical lymphocyte Heterophile antibodies CNS involvement - Splenomegaly Encephalitis in MRI Lymphoproliferative response in oropharynx, Lymphocytic infiltration in spleen Heterophile antibody test Splenomegaly, Palatal petechiae
Leptospirosis[17] + + + + +/- - - - IL-6, IL-8 and IL-10 Anemia - Cr or BUN,

ALT or AST, Proteinuria

 Diffuse alveolar hemorrhage - - - Toxin-mediated break down of endothelial cell membranes of capillaries Culture and the microscopic agglutination test Red eyes, Skin rash
Lyme Disease[18] +/- + +/- + +/- - - - CXCL9 (MIG), CXCL10 (IP-10) and CCL19 (MIP3B) Leukopenia, Thrombocytopenia - Microscopic hematuria, Proteinuria, ↑ALT or AST Punctate lesions in periventricular white matter in brain SPECT - - - Acrodermatitis chronica atrophicans Serologic tests Erythema migrans
Measles[19] +/- + +/- + - - - - Measles IgM Leukopenia, Lymphocytosis, Thrombocytopenia - ALT or AST Pneumonia - - CXR Spongiosis and vesiculation in the epidermis with scattered dyskeratotic keratinocytes PCR Generalized rash, Cough, Coryza, or Conjunctivitis
Rocky Mountain Spotted Fever[20] + + + + - - - - R rickettsii serology Thrombocytopenia, Anemia  - ALT or AST, Hyponatremia Infarction, edema, and meningeal enhancement - Myocardial or conduction abnormalities in echocardiography - Immunofluorescent or immunoperoxidase staining of R rickettsii Clinical criteria and tick exposure Rash on the palms and soles
Staphylococcal Scalded Skin Syndrome[21] + + + + - - +/- +/- Anti exfoliatin and anti alpha-toxin antibodies Leukocytosis with left shift Blood culture Pneumonia - - - Intraepidermal blister, dense superficial perivascular lymphohistiocytic infiltrate  Blood culture and clinical findings Widespread skin erythema, fluid-filled blisters
Toxic Epidermal Necrolysis[22] - + + - - - - +/- MicroRNA-124 Normochromic normocytic anemia, Eosinophilia Fluid loss and electrolyte abnormalities Tracheobronchial inflammation - - - Necrotic keratinocytes with full-thickness epithelial necrosis Histopathology and clinical findings Erythematous macular rash with purpuric centers
Cardiovascular disease Atrial Myxoma[23] - - +/- - - - - +/- Calretinin Mild anemia, Leukocytosis IL-6 Atrial filling defect larger than a thrombus - Tumor location, size, attachment, and mobility in echocardiography Size, shape, and surface characteristics in MRI Lipidic cells embedded in a vascular myxoid stroma Echocardiography Dyspnea on exertion, Syncope
Cholesterol Embolism[24] +/- +/- - - + - - + IL-5 Eosinophilia, Leukocytosis   Eosinophiluria Thoracic and abdominal aortic sources of embolism Atheroembolism in abdominal aorta and the lower extremity arteries Excluding an intracardiac source of embolism with echocardiography  - Birefringent crystals or biconvex needle-shaped ghostly clefts within the arterial lumen Angiography  Livedo reticularis,

Ischemic patches

Segmental arterial mediolysis[25] + - - - + + + +/- - Leukocytosis - - Visceral artery aneurysm in CT angiography Alternating aneurysms and stenoses (beading) Retroperitoneal hematoma - Disruption of the smooth muscle in the media Angiography  Hematuria, Ischemic colitis
Systemic disease Antiphospholipid Syndrome[26] + + - - - - - +/- Antiphospholipid antibodies Thrombocytopenia, Hemolytic anemia - Lupus anticoagulant (LA) Stroke,

Pulmonary embolism, Budd-Chiari syndrome

Thrombus in major vessels Valve thickening, vegetations, or insufficiency in echocardiography - Noninflammatory bland thrombosis without perivascular inflammation Hx of thrombosis and antiphospholipid antibodies Miscarriage, Pulmonary hypertension
Juvenile Idiopathic Arthritis[27] - - - + +/- - - - Rheumatoid factor (RF), S100A12 Lymphocytosis, Thrombocytopenia Myeloid-related proteins 8/14 (MRP8/14) Synovial hypertrophy, Joint effusions Cerebral vasculitis Inflamed synovium Bone scanning Vascular congestion, RBC extravasation, Venular lumen occlusion Conventional radiography Evanescent rash, Dactylitis 
Diseases Headache Fever Weight loss Arthralgia Claudication Bruit HTN Focal neurological disorder Biomarker CBC ESR Other CT scan Angiography Ultrasound/ Echocardiography Other Histopathology Gold standard Additional findings
Small-Vessel Vasculitis ANCA-associated vasculitis Microscopic polyangiitis[28] + - - +/- - - - + Anti-PR3 antibody (C-ANCA) (40%), Anti-MPO antibody (P-ANCA) (60%) Leukocytosis, Normocytic anemia Proteinuria, Erythrocyte casts Suspected pancreatitis Mesenteric angiography for differentiating from polyarteritis nodosa - Bilateral nodular, and patchy opacities in CXR Glomerulonephritis with focal necrosis, crescent formation, and lack or paucity of immunoglobulin deposits Histological confirmation Rash, Hemoptysis 
Granulomatosis with polyangiitis (Wegener’s)[29] + +/- +/- - - - - + Anti-PR3 antibody (C-ANCA) (90%), Anti-MPO antibody (P-ANCA) (10%) Leukocytosis, Normochromic normocytic anemia Cr or BUN, Hypoalbuminemia Consolidation, Patchy or diffuse ground-glass opacities Occlusion or stenosis of LAD and RCA in coronary angiography - Single or multiple nodules and masses with cavitation in CXR Parenchymal necrosis, Granulomatous inflammation Histological confirmation Conjunctivitis,

Episcleritis,

Uveitis,

Optic nerve vasculitis

Eosinophilic granulomatosis with polyangiitis

(Churg-Strauss)[30]

+/- - - + - - - + Anti-MPO antibody (P-ANCA) (40%), Eotaxin-3 Eosinophilia, Anemia Cr or BUN, Proteinuria, Erythrocyte casts, ↑IgE levels Significant enlargement of peripheral pulmonary arteries Myocardial ischemia and infarction in coronary angiography Congestive heart failure (CHF) in echocardiography Extensive air-space opacities in CXR Small necrotizing granulomas with eosinophilic core surrounded by macrophages and epithelioid giant cells Histological confirmation Allergic rhinitisAsthma, Urticarial rash
Hydralazine-associated ANCA-associated vasculitis[31] - - - + - - - +/- Anti-MPO antibody (P-ANCA), Anti-histone antibodies Anemia - Cr or BUN, Hypoalbuminemia Bilateral pulmonary infiltrates Aneurysms or occlusions of the visceral arteries - - Pauci-immune necrotizing and crescentic glomerulonephritis Histological confirmation Sinusitis, Hemoptysis
Immune complex small-vessel vasculitis Anti-glomerular basement membrane disease[32] + +/- - - - - + - Anti-GBM antibodies Hypochromic microcytic anemia, Thrombocytopenia - C3 level Pulmonary hemorrhage - Normal kidneys Alveolar infiltrates spreading from the hilum in CXR Cellular crescents in the glomeruli, Intra-alveolar hemorrhages Anti-GBM antibodies Hemoptysis, Hematuria
Cryoglobulinemic vasculitis[33] +/- +/- - + +/- - - - C4 component LeukocytosisAnemia ANA, hypocomplementemia R/O underlying malignancy Stenosis or occlusions of the visceral arteries Bacterial endocarditis in echocardiography Interstitial involvement or pleural effusions in CXR HCV-associated proteins in vasculitic skin, Intraluminal cryoglobulin deposits  Histological confirmation Acrocyanosis, Retinal hemorrhage, Purpura
Hepatitis C virus-associated cryoglobulinemic vasculitis[34] +/- +/- + + - - + +/- HCV RNA, Cryoglobulins LeukocytosisAnemia Serum C4, Positive RF Increased hepatic echogenicity - Hepatomegaly, Splenomegaly Increased hepatic echogenicity in MRI Vasculitic skin, Antigen infilteration in lesions HCV RNA, Histological confirmation Palpable purpura, Microscopic hematuria
IgA vasculitis (Henoch-Schönlein purpura)[35] - - + + - - - - IgA Normochromic anemia, Leukocytosis  Stool OB, ↓C3, ↓C4 - - Increased bowel wall thickness, hematomas, peritoneal fluid, and intussusception Dilated loops of bowel consistent in abdominal X-ray Leukocytoclastic vasculitis in postcapillary venules with IgA deposition History and physical examination Hematuria, Palpable purpura
Hypocomplementemic urticarial vasculitis (anti-C1q vasculitis)[36] - - +/- + - - - - C1q Mild anemia ANA, ↓C1q, ↓C3, ↓C4 - - Hepatomegaly, Splenomegaly - Deposits of immunoglobulins, complement, or fibrin around blood vessels Urticaria,

Histological confirmation

Urticaria, Hematuria
Gastrointestinal disease Acute mesenteric ischemia[37] - +/- - - - - - - I-FABP, Alpha-GST, Ischemia-modified albumin (IMA) Leukocytosis, ↑HCT -  ↑Amylase Bowel wall thickening, Intestinal pneumatosis, Portomesenteric thrombosis Mesenteric venous thrombosis  Arterial stenosis or occlusion of the celiac or superior mesenteric arteries in duplex ultrasound Ileus with distended loops of bowel, Bowel wall thickening in abdominal X-ray Superficial mucosal hemorrhage, edema and necrosis History and physical examination Abdominal pain, Distension, Absent bowel sounds
Cardiovascular disease Infective Endocarditis[38] + + + - - - - + NT-proBNP Normochromic-normocytic anemia Hyperglobulinemia, Cryoglobulinemia Metastatic infections, such as splenic infarct, renal infarcts, or psoas abscess - Vegetation, abscess, or new dehiscence of a prosthetic valvein echocardiography Vertebral osteomyelitis in MRI Vegetation or intracardiac abscess demonstrating active endocarditis Echocardiography (TTE) Janeway lesions, Osler nodes, Roth spots, Vertebral osteomyelitis
Leukocytoclastic Vasculitis[39] + - - + - - - + IgM, IgA, IgG Leukocytosis, Anemia Hypocomplementemia - Vascular stenosis and obstruction in visceral angiography - - Perivascular inflammatory infiltrate of neutrophils with leukocytoclasia (releasing nuclear debris) Histological confirmation Palpable purpura, Petechiae 
Pulmonary disease Langerhans Cell Histiocytosis[40] +/- - - + - - - - CD1a, CD207,BRAF-V600E Anemia Hypercalcemia Pulmonary cysts and nodules, Bone lytic lesions - Hepatomegaly, Splenomegaly Cerebellum and pons hyperintensity in MRI Birbeck granules by electron microscopy Histological confirmation Brown to purplish papules, Eczematous rash
Non-Small Cell Lung Cancer[41] - +/- + - - - - +/- EGFR, ROS1, EML4-ALK,  PD-L1 Leukocytosis, Anemia Hypercalcemia, Hyponatremia Pulmonary lesion or mass - Pulmonary marginal lesions Staging and response to treatment in PET-CT Adenocarcinoma, Squamous cell carcinoma High resolution CT-scan Cough, Hemoptysis
Small Cell Lung Cancer[42] - +/- + - - - - +/- p53, Thyroid transcription factor-1 (TTF1) Anemia Hyponatremia Large hilar mass with bulky mediastinal adenopathy - Endobronchial ultrasound (EBUS) Standard staging Spindled cells with dark nuclei, scant cytoplasm, and fine, granular nuclear chromatin High resolution CT-scan Cough, Hemoptysis
Pulmonary Infarction[43] +/- - - - - - + - D-dimer Mild leukocytosis, Mild anemia - Hypoxemia, Hypocarbia or Hypercarbia, Respiratory alkalosis Pulmonary embolism Low-density filling defect within the pulmonary artery Pericardial effusion in echocardiography Pulmonary infiltrates, atelectasis, and pleural effusions in CXR Infarct induced apoptosis Pulmonary artery angiography Cough, Hemoptysis
Renal disease Acute Poststreptococcal Glomerulonephritis[44] - - - + - - + +/- Antistreptolysin-O (ASO) titers Leukocytosis Hypocomplementemia - - Normal to slightly enlarged kidneys Central venous congestion in a hilar pattern in CXR Hypercellularity of endothelial and mesangial cells, Infiltration of the glomerular tuft with polymorphonuclear cells Histological confirmation Hematuria
Hematologic disease Hemolytic-Uremic Syndrome[45] + + - + - - + + C5b-9, ADAMTS13 Anemia, Thrombocytopenia, Reticulocytosis  Lactate dehydrogenase (LDH), Hypercalcemia  Thalami, brainstem, or cerebellum abnormality Cerebral microangiopathy or hypertension Hypoechoic kidney  Abnormal hyperintensity in the brain cisterns in MRI Microthromboses include fibrin thrombi that may occlude the glomerular tuft Clinical findings coupled with laboratory abnormalities Hematuria, Proteinuria 
Chronic Lymphocytic Leukemia (CLL)[46] + + + + +/- - - +/- CD5, CD19, CD20, IgVH Absolute lymphocytosis, Smudge cells Flow cytometry Staging - - - Large atypical cells, cleaved cells, and prolymphocytes  Chromosomal and genetic testing Easy bruising
Multiple Myeloma[47] + - + + + + +/- +/- Ig light chain Anemia, Thrombocytopenia, Leukopenia Bone marrow aspiration and biopsy, ↑Cr Osseous involvement and lytic lesions Peripheral zone of increased vascularity in lesions - Punched-out lesion in skull X-ray Clonal proliferation of plasma cells Protein electrophoresis plus conventional X-rays Constipation
Hypereosinophilic Syndrome[48] +/- +/- - - - - - - IgE, CD117 with CD2 Eosinophilia - ↑Serum tryptase Lymphadenopathy and splenomegaly - Intracardiac thrombi in echocardiography - Reticulin stain for myelofibrosis and tryptase staining for mast cells Clinical findings coupled with laboratory abnormalities Splinter hemorrhages, Raynaud phenomenon
Non-Hodgkin Lymphoma[49] + + + + +/- +/- +/- +/- MYCBCL2BCL6, and TP53 Lymphocytosis, Anemia, Thrombocytopenia Lactate dehydrogenase (LDH), Hypercalcemia  Enlarged lymph nodes, Hepatosplenomegaly, Filling defects in the liver and spleen - Hepatosplenomegaly Mediastinal lymphadenopathy Small cleaved or noncleaved, intermediate, or large cell with a follicular or diffuse pattern Surgically excised tissue biopsy Easy bruising, Testicular mass, Skin lesion
Serum Sickness[50] + + - +/- +/- - - +/- IL-1, IL-6, TNF Leukopenia  Polyclonal gammopathy, ↑Cr, Cryoglobulinemia - - - - Arteritic lesions are focal, necrotizing, and inflammatory involving all layers of the artery Clinical findings coupled with laboratory abnormalities Hematuria, Skin rash
Disseminated Intravascular Coagulation[51] +/- + - +/- - - + + Fibrin degradation product (FDP) Thrombocytopenia, Schistocytes D-dimer, aPTT and PT Intracranial hemorrhage - - - Ischemia and necrosis due to fibrin deposition in small and medium-sized vessels Clinical findings coupled with laboratory abnormalities  Acral cyanosis, Hemorrhagic skin infarctions
Idiopathic Thrombocytopenic Purpura[52] + +/- - + - - - + FC gamma receptors (FCGR) IIb Anemia, Thrombocytopenia - HIV, ANA R/O other causes - R/O splenomegaly - Increased number of normal morphologic megakaryocytes Clinical findings coupled with thrombocytopenia Easy bruising, Purpura
Systemic disease Sarcoidosis[53] + + + + - - - +/-  IL-2 and IFN-γ Mild anemia ACE, ↑1, 25-dihydroxyvitamin D Active alveolitis or fibrosis - Hepatosplenomegaly Bilateral hilar adenopathy Noncaseating granulomas (NCGs) Histological confirmation Heart block, Ocular lesion
Legionella Infection[54] + + + + - - - +/- Inflammatory cytokines Leukocytosis with left shift, Thrombocytosis D-dimer, FDP, Hyponatremia Pleural effusion - - Nonspecific and indistinguishable CXR Intra-alveolar inflammation, Microabscesses in the parenchyma Sputum culture Cough, Diarrhea
Systemic lupus erythematosus[55] + + + + - - + + Anti dsDNA, ANA  Leukopenia, Lymphopenia, Anemia, Thrombocytopenia Cr or BUN,

ALT or AST, Proteinuria

Interstitial lung disease, Pneumonitis, Pulmonary emboli, Alveolar hemorrhage Aneurysms Pericardial effusion, pulmonary hypertension, or verrucous Libman-Sacks endocarditis in echocardiography Central nervous system (CNS) lupus white-matter changes in MRI Staging lupus nephritis Anti-dsDNA antibody test Skin rashes or photosensitivity
Rheumatoid arthritis[56] - - + + + + - - RF, Anti-CCP antibody Anemia Cr or BUN,

ALT or AST, ANA

Microfractures Aneurysms Effusions in joints Basilar invagination with cranial migration of an eroded odontoid peg in MRI Influx of inflammatory cells into the synovial membrane, with angiogenesis, proliferation of chronic inflammatory cells Clinical findings coupled anti-CCP antibody Rheumatoid nodules
Relapsing polychondritis[57] - +/- +/- + + - - - - Leukocytosis, Anemia - Cryoglobulins, ANA, C-ANCA Calcification of cartilaginous structures Aortic root dilatation Aortic root dilatation and degree of aortic regurgitation in echocardiography Tracheal stenosis in CXR Chondrolysis, Chondritis, Perichondritis Clinical findings coupled with imaging Ear pain and redness, Polyarthritis
Diseases Headache Fever Weight loss Arthralgia Claudication Bruit HTN Focal neurological disorder Biomarker CBC ESR Other CT scan Angiography Ultrasound/ Echocardiography Other Histopathology Gold standard Additional findings
Variable-vessel vasculitis Behçet’s syndrome[58] - - - + - - +/- - CXCL1  Mild anemia, Neutrophilia Factor V Leiden Focal CNS lesions Aneurysm formation and thrombosis areas Valve vegetations and ventricular thrombi in echocardiography Meningoencephalitis  in MRI Lymphocytic and plasma cell invasion in the prickle cell layer of the epidermis Clinical criteria Genital ulcerations, Oral ulceration
Cogan's syndrome[59] +/- - - +/- - - - +  Anti-Hsp70 antibodies Anemia, Thrombocytosis RF, ANA Thickening and enhancement of both posterior sclera  Stenosis, thrombosis or more lesions in aortic root Aortic insufficiency in echocardiography Early interstitial keratitis by slit lamp Muscle necrosis and atrophy resembling myositis - Red eye, Hearing loss, Vertigo
Gastrointestinal disease Inflammatory Bowel Disease[60] +/- + + + + - - - Anti-Saccharomyces cerevisiae antibody (ASCA), P-ANCA Leukocytosis, Anemia  Iron or vitamin deficiency, Stool OB Mesenteric fat stranding, bowel wall enhancement, increased vascularity (comb sign) - Fistulas, Abscesses, Stenosis Grossly denuded mucosa with active bleeding in colonoscopy Crypt abscesses and mucosal ulceration, Granulomas  Endoscopy  GI bleeding
Whipple's disease[61] + +/- + + + + + + CCR6, Gut-homing marker integrin β7-chain, T whippelii DNA Mild anemia, Neutrophilia 72-hour fecal fat determination Nonspecific malabsorption - Hepatosplenomegaly - Periodic acid-Schiff–positive macrophages infiltration in lamina propria of the small bowel Broad-spectrum PCR amplifications Cachexia,

Glossitis

Sjögren's syndrome[62] - - +/- + - - - - Anti-Ro and Anti-La, Anti-alpha-fodrin antibody Anemia,

Leukopenia,

Eosinophilia

Hypergammaglobulinemia, Low bicarbonate level, Hypokalemia  Salt and pepper or honeycomb appearance in parotid glands - Multicystic or reticular pattern in atrophic salivary gland R/O obstructions or strictures with Sialography  Focal aggregates of lymphocytes Schirmer test Keratoconjunctivitis, Gingival inflammation
Single-organ vasculitis Primary central nervous system vasculitis[63] + + + - + - + + von Willebrand factor antigen (vWF) Normal - CSF pleocytosis, predominantly lymphocytes Cerebral infarcts or hemorrhages with mass effect, or hydrocephalus Aneurysm in circle of Willis - Progression of the disease or response to therapy in MRI Chronic granulomatous inflammation and giant cells Histological confirmation Skin rash, Purpura
Infectious disease Aspergillosis[64] + + + - - - - + Aspergillus nucleic acid in blood, Galactomannan Eosinophilia ↑Serum IgE Aspergilloma mass within a cavity Mass effect stenosis - Aspergilloma mass within the brain in MRI Septate hyphae, branching at acute angles, and tissue necrosis with granulomata and blood vessel invasion Histological confirmation Hemoptysis, Aspergilloma
Histoplasmosis[65] + + + + + - - + - Mild anemia ALP, ↑LDH Cerebral histoplasmosis  - Valvular involvement in echocardiography PFT Presence of yeast forms in tissue through hematoxylin and eosin staining Sputum cultures Pneumonia, Mediastinitis
Herpes Simplex Encephalitis[66] + + - - - - - + HSV DNA Mild lymphocytosis CSF pleocytosis Low-density lesions in the temporal and/or frontal lobe - - Hemorrhagic lesion in white matter Multinuclear giant cells PCR or brain biopsy Seizures,

Vomiting

Systemic disease Eclampsia[67] + + - + - - + + VEGF, PlGF, Soluble FLT-1 AnemiaThrombocytopenia, Schistocytes - Bilirubin, ↓Haptoglobin, ↑LDH, ↑Cr Cortical hypodense areas in the occipital lobes, Diffuse cerebral edema - Poor fetal growth, Oligohydramnios, Abnormal umbilical artery  Increased signal at the gray-white matter junction in MRI - 24-hour urine study  Seizure, Edema
Fibromuscular dysplasia[6] + - +/- + + + + +/- Transforming growth factor β (TGF-β) Normal Cr or BUN Alternating stenosis and dilatations in CT angiography Stenosis in the renal arteries Luminal narrowing alternating with dilatation (Beads sign) Focal concentric, long-segment tubular stenosis or outpouching in MRA Fibrodysplastic changes, Collagen deposition Digital subtraction angiography (DSA)  Spontaneous coronary artery dissection (SCAD)

Differentiating renal disease in the microscopic polyangiitis from other Diseases:

The various types of glomerular diseases should be differentiated from each other based on associations, presence of pitting edema, hematuria, hypertension, hemoptysis, oliguria, peri-orbital edema, hyperlipidemia, type of antibodies, light and electron microscopic features. The following table differentiates between various types of glumerular diseases:

Glomerular diseases Disease History and Symtoms Laboratory Findings Pathology
History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
Acute Nephritic Syndromes Poststreptococcal Glomerulonephritis[68][69][70] +/- + +/- +/- +/- +/- +/- +/-
  • Immune complex GN
  • Granular deposit
Renal disease due to Subacute Bacterial Endocarditis, or cardiac shunt (Atrioventricular)[71][72] +/- + +/- +/- +/- +/- +/- +/-
  • Crescentic GN is the most common pathological features
  • Mesangial deposits,
  • Subendothelial deposits
  • Subepithelial "humps," in minority of cases
  • Pauci-immune GN
Lupus Nephritis[73]
  • History of SLE features
+/- + +/- +/- +/- +/- +/- +/-
  • Differs based on the disease classification
  • Differs based on the disease classification
  • Differs based on the disease classification, mostly immune complex GN
  • Granular deposit
Antiglomerular Basement Membrane Disease (Goodpasture's syndrome)[74][75]
  • Young adults
+ + + + + + - - Diffuse thickening of the glomerular basement membrane with absence of sub-epithelial and sub-endothelial deposits 
  • Immune complex GN
  • Linear deposit
IgA Nephropathy[76][77] + +/- + +/- + - + -
  • Immune complex deposition
  • Crescent formation
  • Immune complex GN, granular deposite
Disease History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
ANCA Small-Vessel Vasculitis[78][79] Granulomatosis with Polyangiitis (Wegener's)[80][81][82]
  • Middle age male
+ + + +/- + - + -
  •  Pauci-immune GN
Microscopic Polyangiitis[28] +/- + + + + + + -
  •  Pauci-immune GN
Churg-Strauss Syndrome[83] +/- + + + + + + -
  •  Pauci-immune GN
Membranoproliferative Glomerulonephritis[84][85] + + + +/- + + - - -
  • Immune complex GN
  • Granular deposite
Henoch-Schönlein purpura [86] + + + +/- + + - - -
  • Diffuse mesangial IgA deposits often associated with mesangial hypercellularity
  • Diffuse mesangial IgA deposits often associated with mesangial hypercellularity
  • Immune complex GN, granular deposite
Disease History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
Cryoglobulinemia[87] Patients having cryoglobulinemia may have positive history of: Pulmonary symptoms:
  • Cough

Cutaneous symptoms:

Gastrointestinal symptoms:

  • Abdominal pain

General symptoms:

+/- + +/- + +/- +/- +/- +/- +/-
  • Prominent IgM and C3
Nephrotic Syndrome Minimal Change Disease[88][89] - + - + +/- + - +
  • Normal
-
Focal Segmental Glomerulosclerosis[90][91][92] - + - + +/- + - + -
Membranous Glomerulonephritis[93][94] - + - + +/- + - + Immune complex deposition Immune complex GN, granular deposite
Diabetic Nephropathy[95][96][97][98][99][100][101][102][103][104] For more information on diabetes click here. - + - + +/- + - +
  • Diffuse mesangial matrix expansion (nodular glomerulosclerosis)
  • Increased mesangial hypercellularity
  • Prominent glomerular basement membranes
  • Thick basement membrane without any deposit
  • Nodular glomerulosclerosis
-
Disease History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
 Glomerular Deposition Diseases  Light Chain Deposition Disease[105]
  • Occurs in the setting of high tumor burden
- - + - + +/- + - + -
  • Light-chain deposits
  • Granular deposits on electron microscopy
  • Detection of light chain deposits using anti–light chain antibody
Renal Amyloidosis[9][106][107][108] - + - + +/- + - + -
  • Diffuse glomerular deposition of amorphous hyaline material (nodular pattern), in mesangium (weakly staining with periodic acid-Schiff (PAS)
  • Nodular deposit
  • AA amyloidosis type: negative for immunoglobulins and complement
  • AL amyloidosis type: Positive for lambda or kappa light chains
Fibrillary-Immunotactoid Glomerulopathy[109] - +/- + +/- +/- +/- + +/- +/- -
  • Diffuse sclerosing glomerulonephritis
  • Diffuse proliferative glomerulonephritis
  • Membranoproliferative glomerulonephritis
  • Mesangioproliferative/sclerosing disease
  • Membranous glomerulonephritis
  • Large fibrillar deposits in the mesangium randomly
  • Glomerular capillary walls different from amloidosis
  • No staining with Congo red or thioflavine-T or with antibodies to a specific type
  • Positive for immunoglobulin G (IgG), C3
  • Kappa and lambda (ie, polyclonal) light chains
Fabry's Disease[110][111][112] - + - + +/- + - + -
  • Vacuolization of visceral glomerular epithelial cells (podocytes) and distal tubular epithelial cells
  • Glycolipid accumulation
  • Myeloid or zebra bodies: Gb3 deposition within enlarged secondary lysosomes as lamellated membrane structures
  • Inclusions, composed of concentric layers (onion skin appearance)
-
Basement Membrane Syndrome Alport's Syndrome[113][114][115][116][117][118]
  • Positive family history
Auditary:

Occular problems:

  • Refractory Error
- + - + +/- + - + -
  • Early stage: unremarkable
Disease History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
Thin Basement Membrane Disease[119][120] - - + -/+ - -/+ - -/+ - - - Diffuse thinning of the glomerular basement membranes (GBM) -
Nail-Patella Syndrome[121][122]
  • Positive family history
  • Poorly developed fingernails, toe nails, and patellae (kneecaps).
  • Elbow deformities
  • Abnormally shaped pelvis bone (hip bone)
  • Knee may be small, deformed or absent
+ + - - - - - - -
  • Mostly unremarkable changes
  • Secondary FSGS
  • Late stages:
    • Global glomerulosclerosis,
    • Tubulointerstitial fibrosis
  • Glomerular basement membranes (GBMs): Focal or diffuse irregular thickening with electron-lucent areas (moth-eaten appearance) containing type III collagen bundles.
  • Similar collagen fibrils can be seen in mesangial matrix.
  • Podocytes: Segmental effacement of foot processes.
  • Nonspecific IgM and C3 deposition may be seen in sclerotic glomeruli.
 Glomerular-Vascular Syndromes  Hypertensive Nephrosclerosis[123] Chronic hypertension +/- +/- + +/- +/- +/- - +/- -
  • Interstitial fibrosis and atrophy
  • Medial thickening and intimal fibrosis of medium-sized and larger vessels
  • Arteriolar thickening, and hyalinosis
  • Chronic stages:
Cholesterol Emboli[124]
  • Depends on the organ involved
+/- +/- + +/- +/- +/- - +/- -
  • Atheroemboli are seen in interlobular and arcuate arteries, as lance-shaped clefts, due to dissolution of cholesterol crystals
  • Acute lesions:
    • Atheroemboli are surrounded by red blood cells, fibrin, and leukocytes, with multinucleated giant cell reactions
  • Chronic lesions:
    • Cholesterol clefts are surrounded by intimal fibrosis
    • Vessel recanalization of chronic lesions can occur.
  • Global and segmental sclerosis of glomeruli may be present.
  • Extensive foot process effacement can be seen
  • Not specific changes
Disease History Systemic symptoms Hemeturia Proteinuria Hypertension Pitting edema Oliguria Nephrotic features Nephritic features Hyperlipidemia and hypercholesterolemia Auto-antibodies,

Complements

Light microscope Electron microscope Immunoflourescence pattern
Sickle Cell Disease[125]
  • Positive family history
+/- +/- +/- - - - - - -
  • Glomerular hypertrophy
  • Hemosiderin deposits
  • Focal areas of hemorrhage or necrosis
  • Chronic stage: interstitial inflammation, edema, fibrosis, tubular atrophy, and papillary infarcts
  • Glomerular enlargement and focal segmental glomerulosclerosis (FSGS)
Thrombotic Microangiopathies[126] Click for more information on Thrombotic Microangiopathies. + +/- + +/- +/- +/- - - -
  • Acute stage:
    • Inravasculr fibrin thrombi
  • Chronic stage:
    • Endocapillary hypercellularity.
    • Intimal proliferation of arterioles
  • Swollen glomerular endothelial cells with loss of fenestrations
  • Chronic stage: interposed cells with new GBM matrix material deposition.
Antiphospholipid Antibody Syndrome [127][128][129] + +/- + +/- +/- +/- - - -
  • Swollen glomerular endothelial cells with loss of fenestrations
  • Chronic stage: interposed cells with new GBM matrix material deposition.


Some infectious diseases such as HIV, HBV, HCV, syphilis, leprosy, malaria, and schistosomiasis may cause glomerular diseases.

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