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

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... ANCA (C-ANCA): GPA ... >>> MPA > eGPA ... GPA Stanford Internal ... #rheumatology
Vasculitis Management - ACR/VF 2021 Guidelines for Treatment & Management
 • Giant Cell Arteritis (GCA)
 •
Cell Arteritis (GCA ... Polyangiitis (GPA ... Polyangiitis (MPA ... Sources: GCA ... #rheumatology
2021 ACR/VF Guidelines for Management of Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA)

#Granulomatosis #Polyangiitis #GPA
Polyangiitis (GPA ... Polyangiitis (MPA ... #Polyangiitis #GPA ... ACR2021 #Management #rheumatology ... #algorithm #vasculitis
Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021
Polyangiitis (GPA ... Polyangiitis (MPA ... #Polyangiitis #GPA ... #Polyangiitis #MPA ... #rheumatology
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
polyangiitis (GPA ... polyangiitis (MPA ... vasculitis - MPO ... - MPO > PR3 ... #Rheumatology
Frequency of ANCA Positivity in Different Conditions
ANCA-Associated Vasculitis
 • GPA - PR3-ANCA 75%, MPO-ANCA 20%, 5%
ANCA-Associated Vasculitis ... • GPA - PR3-ANCA ... ANCA negative • MPA ... Renal-limited vasculitis ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... and branches • GCA ... purpura: strong sign ... • ANCA (Dx: GPA ... #rheumatology #
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated Vasculitis ... polyangiitis (GPA ... #differential # ... diagnosis #algorithm ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... - GPA Cutaneous ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Cell Arteritis (GCA ... (RA), Systemic lupus ... spondyloarthropathies (SPA ... #Diagnosis #rheumatology