28 results
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... ulceration • Ocular ... Behcet syndrome (Clinical ... Positive pathergy test ... is a skin prick test
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... Fever, Arthralgia/arthritis ... Differential Diaqnoses ... hepatitis • Pulmonary ... • Ocular: uveitis
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Behcet's Syndrome - Diagnosis ... Diagnostic Criteria ... Abnormal pathergy test ... Most Common Clinical ... vasculitis) • Arthritis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... - **MSK rads ... diffuse chondral disease ... Tendon Sheath - Nodular ... #mri #clinical
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... , obstructive pulmonary ... disease, and ocular ... retinopathy Lab Tests
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
non-productive cough, nausea ... failure • Severe pulmonary ... disease ARDS Diagnosis ... Epidemiologic exposure + clinical ... agglutination - test
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... Proves cause-effect ... , describe clinical ... but not on the causal ... #calculations #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... tract, and often causes ... disease, and ocular ... Cogan syndrome: Ocular
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
Mississippi river valleys ... - Sporadic cases ... inoculation • Clinical ... blastomycosis • Diagnosis ... #Blastomyces #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... chronic illness, clinical ... in fact this is nodular ... interstitial lung disease ... #Clinical #Diagnosis