5 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
: • Immune Complex ... Ig A (HSP) - ... : • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... to local skin injury ... • Nonsurgical abdominal ... azathioprine #Behcet ... signs #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... - GI tract: abdominal ... : • Behçet Syndrome ... Supply gut -> abdominal ... differential #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... causing endothelial injury ... Hyperviscosity Syndrome ... HBV infection, HIV ... classification #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
of shoulder and hip ... pauci-immune GN Immune Complex ... gut involvement, abdominal ... • Behcet syndrome ... Differential #Diagnosis #Rheumatology