113 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... IgM deposits • Nodular ... • Erythema elevatum ... Disease • Cogan syndrome ... differential #diagnosis
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Elevated Transaminases ... Transaminitis - Differential ... Transaminitis #Elevated ... #Differential # ... Diagnosis #causes #hepatology
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Associated with hepatitis ... and Sjogren's syndrome ... • IgA vasculitis ... #vasculitis #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... : • Behçet Syndrome ... • Cogan Syndrome ... lesions-interstitial keratitis ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... induced by chronic hepatitis ... - Schnitzler syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
SLE, autoimmune hepatitis ... ) - Autoimmune hepatitis ... disease c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... diagnosis #table #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Thrombocytosis - Elevated ... Platelet Count - Differential ... Rheumatologic, Vasculitides ... Kawasaki, Nephrotic syndrome ... Thrombocytosis #Platelets #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... - interstitial keratitis ... #Differential # ... Diagnosis #Rheumatology
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Hepatomegaly - Differential ... • Budd-Chiari Syndrome ... Infectious • Hepatitis ... #Hepatomegaly #Differential ... Algorithm #Causes #Hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... • Tumor lysis syndrome ... tumor burden) Vasculitis ... polyangiitis • Behçet's syndrome ... #differential #