40 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
Vasculitis A group ... , small-vessel vasculitis ... rarely PR3 Anti-GBM ... MPO #PR3 #Diagnosis ... #Rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Vasculitis: • ... Renal-limited vasculitis ... + 90% • Anti-GBM ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021
Polyangiitis (MPA) - ANCA ... Vasculitis Management ... Algorithm - ACR ... #Vasculitis #Management ... #rheumatology
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Diagnosis and management ... Necrotizing vasculitis ... associated with ANCA ... PolyarteritisNodosa #Rheumatology ... #Diagnosis #Management
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... StanfordChiefs #ANCA ... #diagnosis #algorithm ... #rheumatology
Eosinophilic Granulomatosis with Polyangiitis (EGPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Active
Polyangiitis (EGPA) - ANCA ... Vasculitis Management ... Algorithm - ACR ... #Vasculitis #Management ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... glomerulonephritis) • Anti-GBM ... Differential Diagnosis ... #rheumatology #
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Vasculitis, e.g ... - Vasculitis, e.g ... Celiac disease Anti-GBM ... Associations #diseases #diagnosis ... #table #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... • Secondary Causes ... Cryoglobulinemia (MIXED) • ANCA ... #Differential #Diagnosis ... #hematology #rheumatology