117 results
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
- Differential ... nodosa, SLE • Infectious ... Other: Vitamin B12 ... Diagnosis #causes ... #neurology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Human parvovirus B19 ... infection Malar ... infection • Lyme ... disease • Rosacea ... #rashes #differential
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... #Hematology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
vasculitis - Diagnosis, causes ... cryoglobulinemia vasculitis Clinical ... manifestations - Skin ... neuropathy Treatment ... with refractory disease
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... Infections 2. ... Urticaria #diagnosis #rheumatology ... #comparison #table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... SLE) - Viral infections ... APLS • Acute Infectious ... #Diagnosis #hematology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... Arthralgia/arthritis, Skin ... fraction < 20% Differential ... Diaqnoses: • Infectious ... diagnosis #management #treatment
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... PT, aPTT(liver disease ... (CVID, WAS), (neurologic ... #Workup #hematology