380 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
associated with MPO ... polyangiitis - MPO ... polyangiitis - MPO ... Renal-limited - MPO ... - MPO > PR3
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
myeloperoxidase (MPO-ANCA ... present in >90%, MPO ... Granulomas - MPO ... (10-40% ANCA +MPO ... : + MPO-ANCA
ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis

MPA → usually p-ANCA
GPA → usually c-ANCA
EGPA →
ANCA Associated Vasculitis ... Differential Diagnosis MPA ... 50% P-ANCA (MPO ... Drug-Induced ANCA Vasculitis ... ASanchez_PS #ANCA #Vasculitis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
polyangiitis - MPO ... PR3 (80-90%) > MPO ... involvement - PR3>MPO ... Churg-Strauss) - MPO ... - MPO: 75-80% -
Frequency of ANCA Positivity in Different Conditions
ANCA-Associated Vasculitis
 • GPA - PR3-ANCA 75%, MPO-ANCA 20%, 5%
PR3-ANCA 75%, MPO-ANCA ... PR3-ANCA 30%, MPO-ANCA ... - PR3-ANCA 5%, MPO-ANCA ... positivity for MPO ... #sensitivity #MPO
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
Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021
Polyangiitis (MPA ... ) - ANCA Vasculitis ... Induction: GC+MTX ... #Polyangiitis #MPA ... #ANCA #Vasculitis
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
Appearance of Monkeypox Primary Inoculation Reactions

#Monkeypox #MPV #MPX #lesions #clinical #Inoculation #photo
#Monkeypox #MPV ... #MPX #lesions #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... myeloperoxidase (MPO-ANCA ... present in > 30 / MPO ... infiltrates, hemoptysis, MPO ... 40 Y / ANCA + MPO