23 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... , small-vessel vasculitis ... , PR3+ 50%, frequently ... ANCA #Associated #Vasculitis ... PR3 #Diagnosis #Rheumatology
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... size #Diagnosis #Rheumatology ... #Differential #Vasculitis ... Medium #Large #Classification
ANCA Vasculitis - GPA, MPA, Eosinophilic GPA

doi:10.1038/s41572-020-0204-y

#ANCA #Vasculitis #GPA #MPA #Eosinophilic #rheumatology #diagnosis #comparison #table
ANCA Vasculitis ... - GPA, MPA, Eosinophilic ... 0204-y #ANCA #Vasculitis ... #GPA #MPA #Eosinophilic ... #rheumatology #
Frequency of ANCA Positivity in Different Conditions
ANCA-Associated Vasculitis
 • GPA - PR3-ANCA 75%, MPO-ANCA 20%, 5%
Frequency of ANCA ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... • Drug-induced vasculitis ... PR3 #diagnosis #rheumatology
Vasculitis - itis of the vasculature - Classification
1. Endothelial damage and inflammation
2. Narrowing of blood vessels
Vasculitis - itis ... vasculature - Classification ... BrighamChiefs #Vasculitis ... #Classification ... #sizes #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present in >90%, MPO ... Granulomas - MPO ... : + MPO-ANCA ... differential #diagnosis #rheumatology ... #classification
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... by large vessel vasculitis ... medium vessel vasculitis ... #Diagnosis #Rheumatology ... Medium #Large #Classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
C-ANCA): GPA >>> MPA ... > eGPA • MPO-ANCA ... P-ANCA): eGPA, MPA ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
2021 ACR/VF Guidelines for Management of Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA)

#Granulomatosis #Polyangiitis #GPA
Polyangiitis (MPA ... #Polyangiitis #MPA ... ACR2021 #Management #rheumatology ... #algorithm #vasculitis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANCA-Associated Vasculitis ... polyangiitis - MPO ... Renal-limited vasculitis ... - MPO: 75-80% - ... antibodies #diagnosis #rheumatology