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|CT guided bronchoscopy + for malignant cells
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===Differentiating Aspergillosis in immunocompromised host===
Aspergillosis is more common among [[immunocompromised]] patients who are at high risk for other [[fungal]], [[bacterial]], and [[viral]] infections. It should be differentiated from the following diseases:
{| class="wikitable"
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Disease
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Differentiating signs and symptoms
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Differentiating tests
|-
|[[Lymphoma|CNS lymphoma]]<ref name="pmid20212226">{{cite journal |vauthors=Gerstner ER, Batchelor TT |title=Primary central nervous system lymphoma |journal=Arch. Neurol. |volume=67 |issue=3 |pages=291–7 |year=2010 |pmid=20212226 |doi=10.1001/archneurol.2010.3 |url=}}</ref>
|
* Patient is [[immunocompetent]]
* Focal symptoms indicative of a mass [[lesion]]
* [[Seizure]]
|
*Single solitary ring enhancing [[lesion]] on [[CT]] or [[MRI]]
|-
|[[Disseminated tuberculosis]]<ref name="pmid21740673">{{cite journal |vauthors=von Reyn CF, Kimambo S, Mtei L, Arbeit RD, Maro I, Bakari M, Matee M, Lahey T, Adams LV, Black W, Mackenzie T, Lyimo J, Tvaroha S, Waddell R, Kreiswirth B, Horsburgh CR, Pallangyo K |title=Disseminated tuberculosis in human immunodeficiency virus infection: ineffective immunity, polyclonal disease and high mortality |journal=Int. J. Tuberc. Lung Dis. |volume=15 |issue=8 |pages=1087–92 |year=2011 |pmid=21740673 |doi=10.5588/ijtld.10.0517 |url=}}</ref>
|
* Prior history of residence in an [[Endemic (epidemiology)|endemic]] area
* Chronic [[cough]], [[weight loss]], [[hemoptysis]]
|
* [[PCR]] of [[CSF]] for [[tuberculosis]]
* Mycobacterial culture of [[CSF]]
* [[Brain]] biopsy for [[acid-fast bacilli]] staining
* Culture and acid stain positive for [[acid-fast bacilli]]
* CXR shows [[Cavitation|cavitations]]
|-
|[[Aspergillosis]]<ref name="pmid10194462">{{cite journal |vauthors=Latgé JP |title=Aspergillus fumigatus and aspergillosis |journal=Clin. Microbiol. Rev. |volume=12 |issue=2 |pages=310–50 |year=1999 |pmid=10194462 |pmc=88920 |doi= |url=}}</ref>
|
* [[Pulmonary]] [[lesions]] in addition to [[CNS]] [[lesions]]
* Symptoms may include [[cough]], [[chest pain]], and [[hemoptysis]]
|
*[[CSF]] fungal culture, [[galactomannan]]
|-
|[[Cryptococcosis]]
|
*Symptoms include [[cough]], [[chest pain]], and [[hemoptysis]]
|
*[[Cryptococcal infection|Cryptococcal]] [[antigen]] from [[CSF]] and [[serum]]
*[[CSF]] fungal culture
|-
|[[Chagas disease]]<ref name="pmid20399979">{{cite journal |vauthors=Rassi A, Rassi A, Marin-Neto JA |title=Chagas disease |journal=Lancet |volume=375 |issue=9723 |pages=1388–402 |year=2010 |pmid=20399979 |doi=10.1016/S0140-6736(10)60061-X |url=}}</ref>
|
*History of residence in Central or  South America
*Acute infection is rarely symptomatic
*[[Encephalitis]] or focal [[brain]] [[lesions]]
*[[Myocarditis]]
*[[Chronic]] [[infections]] in [[immunocompromised]] patients develop into [[encephalitis]] with [[necrotic]] [[brain]] lesions causing a [[mass effect]]
|
*[[Trypanosoma cruzi]] in [[blood]], [[Tissue (biology)|tissue]], or [[CSF]], [[PCR]] of [[Tissue (biology)|tissue]] or [[body fluids]], and [[Serological testing|serologic tests]]
|-
|[[Cytomegalovirus infection|CMV infection]]<ref name="pmid11215290">{{cite journal |vauthors=Emery VC |title=Investigation of CMV disease in immunocompromised patients |journal=J. Clin. Pathol. |volume=54 |issue=2 |pages=84–8 |year=2001 |pmid=11215290 |pmc=1731357 |doi= |url=}}</ref>
|
*Most common [[CNS]] [[opportunistic infection]] in [[AIDS]] patients
*Presents with [[encephalitis]], [[retinitis]], progressive [[myelitis]], or [[polyradiculitis]]
*In [[disseminated disease]], it involves both the [[liver]] and kidneys
|
*[[Brain]] [[CT]]/[[MRI]]/[[biopsy]]: location of [[lesions]] is usually near the [[brain stem]] or periventricular areas
*[[PCR]] of [[CSF]] with detectable [[virus]] is diagnostic
*[[Brain biopsy]] with + [[staining]] for [[CMV]] or evidence of owl's eyes is also diagnostic, but it is rarely performed because of the location of [[brain]] lesions
|-
|[[HSV|HSV infection]]<ref name="pmid1919640">{{cite journal |vauthors=Bustamante CI, Wade JC |title=Herpes simplex virus infection in the immunocompromised cancer patient |journal=J. Clin. Oncol. |volume=9 |issue=10 |pages=1903–15 |year=1991 |pmid=1919640 |doi=10.1200/JCO.1991.9.10.1903 |url=}}</ref>
|
*[[Seizures]], [[headache]], [[confusion]] and/or [[urinary retention]] can be seen in [[disseminated disease]], which usually affects only the [[immunocompromised]] or acute [[infections]]
*In [[pregnant]] women, it may be associated with concurrent [[genital]]/[[oral]] [[lesions]]; can be spread to the [[neonate]] during acute infection in the mother, or via [[viral shedding]] in the [[birth canal]]
*[[Neonatal]] [[Herpes simplex virus|HSV]] can range from localized [[Skin and soft-tissue infections|skin infections]] to [[encephalitis]], [[pneumonitis]], and [[disseminated disease]]
|
*[[Brain]] [[CT]]/[[MRI]]/[[biopsy]]: location of [[lesions]] is usually the [[medial]] [[temporal lobe]] or the [[Orbital cavity|orbital]] surface of the [[frontal lobe]].
*[[PCR]] of [[CSF]] with detectable [[virus]] is diagnostic
|-
|[[Chickenpox|Varicella Zoster infection]]<ref name="pmid15864101">{{cite journal |vauthors=Hambleton S |title=Chickenpox |journal=Curr. Opin. Infect. Dis. |volume=18 |issue=3 |pages=235–40 |year=2005 |pmid=15864101 |doi= |url=}}</ref>
|
*Multifocal involvement has subacute course, usually only in [[immunosuppressed]], with [[headache]], [[fever]], focal deficits, and [[seizures]].
*Unifocal involvement is more typically seen in [[immunocompetent]] hosts, occurring after [[contralateral]] [[cranial nerve]] [[herpes zoster]], with [[Altered mental status|mental status changes]], [[TIA|TIAs]], and [[stroke]]
*[[Disseminated disease|Disseminated]] [[varicella zoster virus]] can occur in adults during primary [[infection]], presenting with [[pneumonitis]] and/or [[hepatitis]]
*Disease is a [[Vasculitis|vasculopathy]] with [[hemorrhage]] and [[stroke]]
|
*[[PCR]] of [[CSF]] with detectable [[virus]] is diagnostic
|-
|[[Brain abscess]]<ref name="pmid24174804">{{cite journal |vauthors=Alvis Miranda H, Castellar-Leones SM, Elzain MA, Moscote-Salazar LR |title=Brain abscess: Current management |journal=J Neurosci Rural Pract |volume=4 |issue=Suppl 1 |pages=S67–81 |year=2013 |pmid=24174804 |pmc=3808066 |doi=10.4103/0976-3147.116472 |url=}}</ref><ref name="pmid25360205">{{cite journal |vauthors=Patel K, Clifford DB |title=Bacterial brain abscess |journal=Neurohospitalist |volume=4 |issue=4 |pages=196–204 |year=2014 |pmid=25360205 |pmc=4212419 |doi=10.1177/1941874414540684 |url=}}</ref>
|
*Associated with [[sinusitis]] (abutting the sinuses) or with [[bacteremia]]
*Signs and symptoms includes [[fever]] and [[necrotizing]] [[brain]] [[lesions]] with [[mass effect]]
|
*[[CSF]] culture or culture of [[brain abscess]]
|-
|[[Progressive multifocal leukoencephalopathy]]<ref name="pmid20298966">{{cite journal |vauthors=Tan CS, Koralnik IJ |title=Progressive multifocal leukoencephalopathy and other disorders caused by JC virus: clinical features and pathogenesis |journal=Lancet Neurol |volume=9 |issue=4 |pages=425–37 |year=2010 |pmid=20298966 |pmc=2880524 |doi=10.1016/S1474-4422(10)70040-5 |url=}}</ref>
|
*Symptoms are often more insidious in onset and progress over months. Symptoms include progressive [[weakness]], poor [[coordination]], with gradual slowing of [[mental]] function. Only seen in the [[immunosuppressed]]. Rarely associated with [[fever]] or other systemic symptoms
|
*[[Polymerase chain reaction|PCR]] of [[CSF]] for [[JC virus]]
*[[Biopsy]] reveals [[white matter]] [[lesions]] and not well-circumscribed [[lesions]].
|}
|}


Revision as of 15:18, 14 August 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Yazan Daaboul, M.D.; Haytham Allaham, M.D. [2]; Serge Korjian M.D.

Overview

Aspergillosis must be differentiated from other diseases that cause fever, chest pain, dyspnea, sinusitis, allergic symptoms, and elevated IgE concentrations. Differential diagnosis includes other infections (fungi, bacteria, viruses, and parasites), non-infectious pulmonary diseases (such as asthma, COPD, interstitial lung disease, bronchiectasis, and lung tumors), cardiac diseases (such as pericarditis, endocarditis, or myocarditis), facial diseases (such as infectious sinusitis, sinus tumor, or nasal polyps), systemic diseases (such as Hyper IgE syndrome, Churg-Strauss syndrome, granulomatosis with polyangiitis, Goodpasture's syndrome), congenital diseases (such as cystic fibrosis or ciliary dyskinesia), transplant-related complications (such as GVHD), diseases with cutaneous manifestations (such as eczema, scabies, deep vein thrombosis, cellulitis), and adverse drug reactions.

Diffential Diagnosis

Aspergillosis must be differentiated from other diseases that cause fever, chest pain, dyspnea, sinusitis, allergic symptoms, and elevated IgE concentrations. Differential diagnosis includes:

Pathogen Disease Geographic distribution High risk Groups Differentiating features Microscopic findings
Physical exam Laboratory findings
Fungal Histoplasmosis Mississippi and Ohio River valleys
  • Cave dwellers
  • Soil that contains bird or bat dropping[1]
  • Urine antigen testing
 Yeast are typically smaller, with narrow-based budding, found intracellularly within macrophages
Coccidioidomycosis Southwestern US region Opportunistic infection seen in AIDS Serologic tests( enzyme immune assay )more sensitive Characteristic spherule appearance
Paracoccidioidomycosis[3] Central and South america Opportunistic infection seen in AIDS
  • Elevated liver enzymes
 Smaller fungi with thin cell walls, forming mariner wheel appearance, circumferentially surrounding the parent cell.( Captain wheel appearance )
Sporotrichosis Ubiquitous Gardeners [4] + Sporotrichin skin test Finger or cigar shaped yeast.
Aspergillosis[5] Ubiquitous Cell wall detection using galactomannan antigen detection, Beta-D-glucan detection test. Septated hyphae with acute angle branching
Bacterial Anthrax Ubiquitous Live stock handlers Nonmotile, Gram-positive, aerobic or facultatively anaerobic, endospore-forming, rod-shaped bacterium
Legionella Ubiquitous Chronic lung disease

Building water systems

  • + Urine Antigen
 Gram negative bacterium
Tuberculosis Asia,Africa Ill contact individuals Aerobic, non-encapsulated, non-motile, acid-fast bacillus
Listeriosis Ubiquitous Pregnant women [8]

Adults > 65

Immunocompromised.

flagellated, catalase-positive, facultative intracellular, anaerobic, nonsporulating, Gram-positive bacillus
Brucellosis

Mexico, South and Central America

People who take unpasteurized dairy products Gram-negative bacteria,non-motile, encapsulated coccobacilli.
Scrub typhus Asia-Pacific region

Australia

Afghanistan

Hikers[9]
  • Indirect immunofluorescence
 a Gram-negative α-proteobacterium  intracellular parasite
Leptospirosis Temperate, tropical climates. People who work with animals
  • Antibodies labelled with fluorescent markers positive for leptospires.
 Spiral-shaped bacteria with hooked ends on dark-field.
Cat scratch fever Ubiquitous cat licking a person's open wound, or bites or scratches a person[11]
  • enzymatic immunoassay positive for antibody to B henselae
  • lymphocytosis
 Gram-negative bacteria. facultative intracellular parasites
Viral Chickenpox −
  • Spots appearing in two or three waves
 Whole infected cell (wc) ELISA for IgG. −
Coxsackie A virus − Children attending day care[13] Painful blisters in the mouth, palms and on the feet.

Rash, appears after episode of high fever.

Clinically diagnosed −
Others Primary lung cancer − Age >65 CT guided bronchoscopy + for malignant cells −

Differentiating Aspergillosis in immunocompromised host

Aspergillosis is more common among immunocompromised patients who are at high risk for other fungal, bacterial, and viral infections. It should be differentiated from the following diseases:

Disease Differentiating signs and symptoms Differentiating tests
CNS lymphoma[14]
Disseminated tuberculosis[15]
Aspergillosis[16]
Cryptococcosis
Chagas disease[17]
CMV infection[18]
HSV infection[19]
Varicella Zoster infection[20]
Brain abscess[21][22]
Progressive multifocal leukoencephalopathy[23]
  • Symptoms are often more insidious in onset and progress over months. Symptoms include progressive weakness, poor coordination, with gradual slowing of mental function. Only seen in the immunosuppressed. Rarely associated with fever or other systemic symptoms

References

  1. ↑ Information for Healthcare Professionals about Histoplasmosis. Centers for Disease Control and Prevention. 2015. Available at: http://www.cdc.gov/fungal/diseases/histoplasmosis/health-professionals.html. Accessed February 2, 2016.
  2. ↑ Brown J, Benedict K, Park BJ, Thompson GR (2013). "Coccidioidomycosis: epidemiology". Clin Epidemiol. 5: 185–97. doi:10.2147/CLEP.S34434. PMC 3702223. PMID 23843703.
  3. ↑ Marques SA (2013). "Paracoccidioidomycosis: epidemiological, clinical, diagnostic and treatment up-dating". An Bras Dermatol. 88 (5): 700–11. doi:10.1590/abd1806-4841.20132463. PMC 3798345. PMID 24173174.
  4. ↑ Mahajan VK (2014). "Sporotrichosis: an overview and therapeutic options". Dermatol Res Pract. 2014: 272376. doi:10.1155/2014/272376. PMC 4295339. PMID 25614735.
  5. ↑ Sherif R, Segal BH (2010). "Pulmonary aspergillosis: clinical presentation, diagnostic tests, management and complications". Curr Opin Pulm Med. 16 (3): 242–50. doi:10.1097/MCP.0b013e328337d6de. PMC 3326383. PMID 20375786.
  6. ↑ Hicks CW, Sweeney DA, Cui X, Li Y, Eichacker PQ (2012). "An overview of anthrax infection including the recently identified form of disease in injection drug users". Intensive Care Med. 38 (7): 1092–104. doi:10.1007/s00134-012-2541-0. PMC 3523299. PMID 22527064.
  7. ↑ Schuetz P, Haubitz S, Christ-Crain M, Albrich WC, Zimmerli W, Mueller B (2013). "Hyponatremia and anti-diuretic hormone in Legionnaires' disease". BMC Infect. Dis. 13: 585. doi:10.1186/1471-2334-13-585. PMC 3880094. PMID 24330484.
  8. ↑ Lamont RF, Sobel J, Mazaki-Tovi S, Kusanovic JP, Vaisbuch E, Kim SK, Uldbjerg N, Romero R (2011). "Listeriosis in human pregnancy: a systematic review". J Perinat Med. 39 (3): 227–36. doi:10.1515/JPM.2011.035. PMC 3593057. PMID 21517700.
  9. ↑ Zhou YH, Xia FQ, Van Poucke S, Zheng MH (2016). "Successful Treatment of Scrub Typhus-Associated Hemophagocytic Lymphohistiocytosis With Chloramphenicol: Report of 3 Pediatric Cases and Literature Review". Medicine (Baltimore). 95 (8): e2928. doi:10.1097/MD.0000000000002928. PMC 4779037. PMID 26937940.
  10. ↑ Iroh Tam PY, Obaro SK, Storch G (2016). "Challenges in the Etiology and Diagnosis of Acute Febrile Illness in Children in Low- and Middle-Income Countries". J Pediatric Infect Dis Soc. 5 (2): 190–205. doi:10.1093/jpids/piw016. PMID 27059657.
  11. ↑ Gouriet F, Lepidi H, Habib G, Collart F, Raoult D (2007). "From cat scratch disease to endocarditis, the possible natural history of Bartonella henselae infection". BMC Infect. Dis. 7: 30. doi:10.1186/1471-2334-7-30. PMC 1868026. PMID 17442105.
  12. ↑ De Paschale M, Clerici P (2016). "Microbiology laboratory and the management of mother-child varicella-zoster virus infection". World J Virol. 5 (3): 97–124. doi:10.5501/wjv.v5.i3.97. PMC 4981827. PMID 27563537.
  13. ↑ Flett K, Youngster I, Huang J, McAdam A, Sandora TJ, Rennick M, Smole S, Rogers SL, Nix WA, Oberste MS, Gellis S, Ahmed AA (2012). "Hand, foot, and mouth disease caused by coxsackievirus a6". Emerging Infect. Dis. 18 (10): 1702–4. doi:10.3201/eid1810.120813. PMC 3471644. PMID 23017893.
  14. ↑ Gerstner ER, Batchelor TT (2010). "Primary central nervous system lymphoma". Arch. Neurol. 67 (3): 291–7. doi:10.1001/archneurol.2010.3. PMID 20212226.
  15. ↑ von Reyn CF, Kimambo S, Mtei L, Arbeit RD, Maro I, Bakari M, Matee M, Lahey T, Adams LV, Black W, Mackenzie T, Lyimo J, Tvaroha S, Waddell R, Kreiswirth B, Horsburgh CR, Pallangyo K (2011). "Disseminated tuberculosis in human immunodeficiency virus infection: ineffective immunity, polyclonal disease and high mortality". Int. J. Tuberc. Lung Dis. 15 (8): 1087–92. doi:10.5588/ijtld.10.0517. PMID 21740673.
  16. ↑ Latgé JP (1999). "Aspergillus fumigatus and aspergillosis". Clin. Microbiol. Rev. 12 (2): 310–50. PMC 88920. PMID 10194462.
  17. ↑ Rassi A, Rassi A, Marin-Neto JA (2010). "Chagas disease". Lancet. 375 (9723): 1388–402. doi:10.1016/S0140-6736(10)60061-X. PMID 20399979.
  18. ↑ Emery VC (2001). "Investigation of CMV disease in immunocompromised patients". J. Clin. Pathol. 54 (2): 84–8. PMC 1731357. PMID 11215290.
  19. ↑ Bustamante CI, Wade JC (1991). "Herpes simplex virus infection in the immunocompromised cancer patient". J. Clin. Oncol. 9 (10): 1903–15. doi:10.1200/JCO.1991.9.10.1903. PMID 1919640.
  20. ↑ Hambleton S (2005). "Chickenpox". Curr. Opin. Infect. Dis. 18 (3): 235–40. PMID 15864101.
  21. ↑ Alvis Miranda H, Castellar-Leones SM, Elzain MA, Moscote-Salazar LR (2013). "Brain abscess: Current management". J Neurosci Rural Pract. 4 (Suppl 1): S67–81. doi:10.4103/0976-3147.116472. PMC 3808066. PMID 24174804.
  22. ↑ Patel K, Clifford DB (2014). "Bacterial brain abscess". Neurohospitalist. 4 (4): 196–204. doi:10.1177/1941874414540684. PMC 4212419. PMID 25360205.
  23. ↑ Tan CS, Koralnik IJ (2010). "Progressive multifocal leukoencephalopathy and other disorders caused by JC virus: clinical features and pathogenesis". Lancet Neurol. 9 (4): 425–37. doi:10.1016/S1474-4422(10)70040-5. PMC 2880524. PMID 20298966.
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