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

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

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... reticularis Differential ... • Henoch-Schönlein ... pneumonia with glomerulonephritis ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... often present • Henoch ... Schonlein Purpura ... (IgA vasculitis ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... often present) Henoch ... Schonlein Purpura ... (IgA Vasculitis ... Diagnosis #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Schonlein Purpura ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #Causes #dermatology ... #physicalexam