6 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive ... IgA nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... #Vasculitis #differential ... #diagnosis #algorithm
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... , Palpable purpura ... Diagnosis: Vasculitis ... • Henoch-Schönlein ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... Schonlein Purpura ... Vasculitis - Skin ... causing palpable purpura ... differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Infection - Vasculitis ... Schonlein Purpura ... Diagnosis #Algorithm ... #Causes #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... triad of Palpable purpura ... (Henoch-Schönlein ... purpura) • Cutaneous ... vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... progressive) EGPA ... Schonlein Purpura ... Diagnosis #Rheumatology