Differentiating Myasthenia gravis from other diseases: Difference between revisions
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==Overview== | ==Overview== | ||
Differential diagnosis for Myasthenia gravis includes: | |||
==Differentiating Myasthenia Gravis from other Diseases== | ==Differentiating Myasthenia Gravis from other Diseases== | ||
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!<small>Ascending/Descending/Systemic</small> | !<small>Ascending/Descending/Systemic</small> | ||
!<small>Unilateral (UL) | !<small>Unilateral (UL) | ||
or Bilateral (BL) | or Bilateral (BL) | ||
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|- | |- | ||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Infant Botulism | | style="background: #DCDCDC; padding: 5px; text-align: center;" |Infant Botulism | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |- | | style="background: #F5F5F5; padding: 5px; text-align:center" | - | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>+</nowiki> | | style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>+</nowiki> | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Generalized | | style="background: #F5F5F5; padding: 5px; text-align:center" |Generalized | ||
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| style="background: #F5F5F5; padding: 5px; text-align:center" |Insidious | | style="background: #F5F5F5; padding: 5px; text-align:center" |Insidious | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" | Clinical diagnosis: physical exam & history | | style="background: #F5F5F5; padding: 5px; text-align:center" | Clinical diagnosis: physical exam & history | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |- | | style="background: #F5F5F5; padding: 5px; text-align:center" | - | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |History of outdoor activity in Northeastern United States. The tick is often still latched to the patient at presentation (often in head and neck area) | | style="background: #F5F5F5; padding: 5px; text-align:center" |History of outdoor activity in Northeastern United States. The tick is often still latched to the patient at presentation (often in head and neck area) | ||
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| style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Poliomyelitis]]<ref name="pmid19944665">{{cite journal| author=Laffont I, Julia M, Tiffreau V, Yelnik A, Herisson C, Pelissier J| title=Aging and sequelae of poliomyelitis. | journal=Ann Phys Rehabil Med | year= 2010 | volume= 53 | issue= 1 | pages= 24-33 | pmid=19944665 | doi=10.1016/j.rehab.2009.10.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19944665 }}</ref> | | style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Poliomyelitis]]<ref name="pmid19944665">{{cite journal| author=Laffont I, Julia M, Tiffreau V, Yelnik A, Herisson C, Pelissier J| title=Aging and sequelae of poliomyelitis. | journal=Ann Phys Rehabil Med | year= 2010 | volume= 53 | issue= 1 | pages= 24-33 | pmid=19944665 | doi=10.1016/j.rehab.2009.10.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19944665 }}</ref> | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+/- | | style="background: #F5F5F5; padding: 5px; text-align:center" | +/- | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Proximal > Distal | | style="background: #F5F5F5; padding: 5px; text-align:center" |Proximal > Distal | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Systemic | | style="background: #F5F5F5; padding: 5px; text-align:center" |Systemic | ||
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|- | |- | ||
| style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Transverse myelitis]]<ref name="pmid24099672">{{cite journal| author=West TW| title=Transverse myelitis--a review of the presentation, diagnosis, and initial management. | journal=Discov Med | year= 2013 | volume= 16 | issue= 88 | pages= 167-77 | pmid=24099672 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24099672 }}</ref> | | style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Transverse myelitis]]<ref name="pmid24099672">{{cite journal| author=West TW| title=Transverse myelitis--a review of the presentation, diagnosis, and initial management. | journal=Discov Med | year= 2013 | volume= 16 | issue= 88 | pages= 167-77 | pmid=24099672 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24099672 }}</ref> | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>+</nowiki> | | style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>+</nowiki> | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Proximal > Distal | | style="background: #F5F5F5; padding: 5px; text-align:center" |Proximal > Distal | ||
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| style="background: #F5F5F5; padding: 5px; text-align:center" | + | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" | - | | style="background: #F5F5F5; padding: 5px; text-align:center" | - | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+/- | | style="background: #F5F5F5; padding: 5px; text-align:center" | +/- | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Generalized | | style="background: #F5F5F5; padding: 5px; text-align:center" |Generalized | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |Systemic | | style="background: #F5F5F5; padding: 5px; text-align:center" |Systemic | ||
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| style="background: #F5F5F5; padding: 5px; text-align:center" |History of unprotected sex or multiple sexual partners. | | style="background: #F5F5F5; padding: 5px; text-align:center" |History of unprotected sex or multiple sexual partners. | ||
History of [[genital ulcer]] ([[chancre]]), diffuse [[Maculopapular rash|maculopapular ras]]<nowiki/>h. | History of [[genital ulcer]] ([[chancre]]), diffuse [[Maculopapular rash|maculopapular ras]]<nowiki/>h. | ||
|- | |- | ||
| style="background: #DCDCDC; padding: 5px; text-align:center;" |[[Muscular dystrophy]]<ref name="pmid26457695">{{cite journal| author=Falzarano MS, Scotton C, Passarelli C, Ferlini A| title=Duchenne Muscular Dystrophy: From Diagnosis to Therapy. | journal=Molecules | year= 2015 | volume= 20 | issue= 10 | pages= 18168-84 | pmid=26457695 | doi=10.3390/molecules201018168 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26457695 }}</ref> | | style="background: #DCDCDC; padding: 5px; text-align:center;" |[[Muscular dystrophy]]<ref name="pmid26457695">{{cite journal| author=Falzarano MS, Scotton C, Passarelli C, Ferlini A| title=Duchenne Muscular Dystrophy: From Diagnosis to Therapy. | journal=Molecules | year= 2015 | volume= 20 | issue= 10 | pages= 18168-84 | pmid=26457695 | doi=10.3390/molecules201018168 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26457695 }}</ref> | ||
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| style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Myositis|Inflammatory myopathy]]<ref name="pmid26290112">{{cite journal| author=Michelle EH, Mammen AL| title=Myositis Mimics. | journal=Curr Rheumatol Rep | year= 2015 | volume= 17 | issue= 10 | pages= 63 | pmid=26290112 | doi=10.1007/s11926-015-0541-0 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26290112 }}</ref> | | style="background: #DCDCDC; padding: 5px; text-align:center;" | [[Myositis|Inflammatory myopathy]]<ref name="pmid26290112">{{cite journal| author=Michelle EH, Mammen AL| title=Myositis Mimics. | journal=Curr Rheumatol Rep | year= 2015 | volume= 17 | issue= 10 | pages= 63 | pmid=26290112 | doi=10.1007/s11926-015-0541-0 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26290112 }}</ref> | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |+ | | style="background: #F5F5F5; padding: 5px; text-align:center" | + | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |- | | style="background: #F5F5F5; padding: 5px; text-align:center" | - | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" | - | | style="background: #F5F5F5; padding: 5px; text-align:center" | - | ||
| style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>-</nowiki> | | style="background: #F5F5F5; padding: 5px; text-align:center" |<nowiki>-</nowiki> | ||
Revision as of 16:55, 28 November 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Differential diagnosis for Myasthenia gravis includes:
Differentiating Myasthenia Gravis from other Diseases
| Diseases | History and Physical | Diagnostic tests | Other Findings | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Motor Deficit | Sensory deficit | Cranial nerve Involvement | Autonomic dysfunction | Proximal/Distal/Generalized | Ascending/Descending/Systemic | Unilateral (UL)
or Bilateral (BL) or No Lateralization (NL) |
Onset | Lab or Imaging Findings | Specific test | ||
| Adult Botulism | + | - | + | + | Generalized | Descending | BL | Sudden | Toxin test | Blood, Wound, or Stool culture | Diplopia, Hyporeflexia, Hypotonia, possible respiratory paralysis |
| Infant Botulism | + | - | + | + | Generalized | Descending | BL | Sudden | Toxin test | Blood, Wound, or Stool culture | Flaccid paralysis (Floppy baby syndrome), possible respiratory paralysis |
| Guillian-Barre syndrome[1] | + | - | - | - | Generalized | Ascending | BL | Insidious | CSF: ↑Protein
↓Cells |
Clinical & Lumbar Puncture | Progressive ascending paralysis following infection, possible respiratory paralysis |
| Eaton Lambert syndrome[2] | + | - | + | + | Generalized | Systemic | BL | Intermittent | EMG, repetitive nerve stimulation test (RNS) | Voltage gated calcium channel (VGCC) antibody | Diplopia, ptosis, improves with movement (as the day progresses) |
| Myasthenia gravis[3] | + | - | + | + | Generalized | Systemic | BL | Intermittent | EMG, Edrophonium test | Ach receptor antibody | Diplopia, ptosis, worsening with movement (as the day progresses) |
| Electrolyte disturbance[4] | + | + | - | - | Generalized | Systemic | BL | Insidious | Electrolyte panel | ↓Ca++, ↓Mg++, ↓K+ | Possible arrhythmia |
| Organophosphate toxicity[5] | + | + | - | + | Generalized | Ascending | BL | Sudden | Clinical diagnosis: physical exam & history | Clinical suspicion confirmed with RBC AchE activity | History of exposure to insecticide or living in farming environment. with : Diarrhea, Urination, Miosis, Bradycardia, Lacrimation, Emesis, Salivation, Sweating |
| Tick paralysis (Dermacentor tick)[6] | + | - | - | - | Generalized | Ascending | BL | Insidious | Clinical diagnosis: physical exam & history | - | History of outdoor activity in Northeastern United States. The tick is often still latched to the patient at presentation (often in head and neck area) |
| Tetrodotoxin poisoning[7] | + | - | + | + | Generalized | Systemic | BL | Sudden | Clinical diagnosis: physical exam & dietary history | - | History of consumption of puffer fish species. |
| Stroke[8] | +/- | +/- | +/- | +/- | Generalized | Systemic | UL | Sudden | MRI +ve for ischemia or hemorrhage | MRI | Sudden unilateral motor and sensory deficit in a patient with a history of atherosclerotic risk factors (diabetes, hypertension, smoking) or atrial fibrillation. |
| Poliomyelitis[9] | + | + | + | +/- | Proximal > Distal | Systemic | BL or UL | Sudden | PCR of CSF | Asymmetric paralysis following a flu-like syndrome. | |
| Transverse myelitis[10] | + | + | + | + | Proximal > Distal | Systemic | BL or UL | Sudden | MRI & Lumbar puncture | MRI | History of chronic viral or autoimmune disease (e.g. HIV) |
| Neurosyphilis[11][12] | + | + | - | +/- | Generalized | Systemic | BL | Insidious | MRI & Lumbar puncture | CSF VDRL-specifc | History of unprotected sex or multiple sexual partners.
History of genital ulcer (chancre), diffuse maculopapular rash. |
| Muscular dystrophy[14] | + | - | - | - | Proximal > Distal | Systemic | BL | Insidious | Genetic testing | Muscle biopsy | Progressive proximal lower limb weakness with calf pseudohypertrophy in early childhood. Gower sign positive. |
| Multiple sclerosis exacerbation[15] | + | + | + | + | Generalized | Systemic | NL | Sudden | ↑CSF IgG levels
(monoclonal) |
Clinical assessment and MRI [16] | Blurry vision, urinary incontinence, fatigue |
| Amyotrophic lateral sclerosis[17] | + | - | - | - | Generalized | Systemic | BL | Insidious | Normal LP (to rule out DDx) | MRI & LP | Patient initially presents with upper motor neuron deficit (spasticity) followed by lower motor neuron deficit (flaccidity). |
| Inflammatory myopathy[18] | + | - | - | - | Proximal > Distal | Systemic | UL or BL | Insidious | Elevated CK & Aldolase | Muscle biopsy | Progressive proximal muscle weakness in 3rd to 5th decade of life. With or without skin manifestations. |
References
- ↑ Talukder RK, Sutradhar SR, Rahman KM, Uddin MJ, Akhter H (2011). "Guillian-Barre syndrome". Mymensingh Med J. 20 (4): 748–56. PMID 22081202.
- ↑ Merino-Ramírez MÁ, Bolton CF (2016). "Review of the Diagnostic Challenges of Lambert-Eaton Syndrome Revealed Through Three Case Reports". Can J Neurol Sci. 43 (5): 635–47. doi:10.1017/cjn.2016.268. PMID 27412406.
- ↑ Gilhus NE (2016). "Myasthenia Gravis". N Engl J Med. 375 (26): 2570–2581. doi:10.1056/NEJMra1602678. PMID 28029925.
- ↑ Ozono K (2016). "[Diagnostic criteria for vitamin D-deficient rickets and hypocalcemia-]". Clin Calcium. 26 (2): 215–22. doi:CliCa1602215222 Check
|doi=value (help). PMID 26813501. - ↑ Kamanyire R, Karalliedde L (2004). "Organophosphate toxicity and occupational exposure". Occup Med (Lond). 54 (2): 69–75. PMID 15020723.
- ↑ Pecina CA (2012). "Tick paralysis". Semin Neurol. 32 (5): 531–2. doi:10.1055/s-0033-1334474. PMID 23677663.
- ↑ Bane V, Lehane M, Dikshit M, O'Riordan A, Furey A (2014). "Tetrodotoxin: chemistry, toxicity, source, distribution and detection". Toxins (Basel). 6 (2): 693–755. doi:10.3390/toxins6020693. PMC 3942760. PMID 24566728.
- ↑ Kuntzer T, Hirt L, Bogousslavsky J (1996). "[Neuromuscular involvement and cerebrovascular accidents]". Rev Med Suisse Romande. 116 (8): 605–9. PMID 8848683.
- ↑ Laffont I, Julia M, Tiffreau V, Yelnik A, Herisson C, Pelissier J (2010). "Aging and sequelae of poliomyelitis". Ann Phys Rehabil Med. 53 (1): 24–33. doi:10.1016/j.rehab.2009.10.002. PMID 19944665.
- ↑ West TW (2013). "Transverse myelitis--a review of the presentation, diagnosis, and initial management". Discov Med. 16 (88): 167–77. PMID 24099672.
- ↑ Liu LL, Zheng WH, Tong ML, Liu GL, Zhang HL, Fu ZG; et al. (2012). "Ischemic stroke as a primary symptom of neurosyphilis among HIV-negative emergency patients". J Neurol Sci. 317 (1–2): 35–9. doi:10.1016/j.jns.2012.03.003. PMID 22482824.
- ↑ Berger JR, Dean D (2014). "Neurosyphilis". Handb Clin Neurol. 121: 1461–72. doi:10.1016/B978-0-7020-4088-7.00098-5. PMID 24365430.
- ↑ Ho EL, Marra CM (2012). "Treponemal tests for neurosyphilis--less accurate than what we thought?". Sex Transm Dis. 39 (4): 298–9. doi:10.1097/OLQ.0b013e31824ee574. PMC 3746559. PMID 22421697.
- ↑ Falzarano MS, Scotton C, Passarelli C, Ferlini A (2015). "Duchenne Muscular Dystrophy: From Diagnosis to Therapy". Molecules. 20 (10): 18168–84. doi:10.3390/molecules201018168. PMID 26457695.
- ↑ Filippi M, Preziosa P, Rocca MA (2016). "Multiple sclerosis". Handb Clin Neurol. 135: 399–423. doi:10.1016/B978-0-444-53485-9.00020-9. PMID 27432676.
- ↑ Giang DW, Grow VM, Mooney C, Mushlin AI, Goodman AD, Mattson DH; et al. (1994). "Clinical diagnosis of multiple sclerosis. The impact of magnetic resonance imaging and ancillary testing. Rochester-Toronto Magnetic Resonance Study Group". Arch Neurol. 51 (1): 61–6. PMID 8274111.
- ↑ Riva N, Agosta F, Lunetta C, Filippi M, Quattrini A (2016). "Recent advances in amyotrophic lateral sclerosis". J Neurol. 263 (6): 1241–54. doi:10.1007/s00415-016-8091-6. PMC 4893385. PMID 27025851.
- ↑ Michelle EH, Mammen AL (2015). "Myositis Mimics". Curr Rheumatol Rep. 17 (10): 63. doi:10.1007/s11926-015-0541-0. PMID 26290112.