194 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... - C-ANCA pattern ... antibody) - P-ANCA ... Associated #Vasculitis #CANCA ... #PANCA #MPO #PR3
Approach to managing Glomerulonephritis (GN) in children. 

ANCA, antineutrophil cytoplasmic antibodies; c-ANCA, cytoplasmic antineutrophil cytoplasmic antibodies;
ANCA, antineutrophil ... antibodies; c-ANCA ... hypertension; p-ANCA ... SLE, systemic lupus
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Diagnosis Framework ANCA ... : • C-ANCA: GPA ... Wegener's) • P-ANCA ... Membranoproliferative • ↓C4: Lupus
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • Lupus ... glycoprotein I (ß2GP), Lupus ... Polymerase Ill • ANCA ... Vasculitis: P-ANCA ... perinuclear), C-ANCA
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Negative IF): • PR3-ANCA ... (C-ANCA): GPA > ... > eGPA • MPO-ANCA ... (P-ANCA): eGPA,
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... ) • Systemic lupus ... 80-90%) > MPO - ANCA ... MPO: 75-80% - ANCA ... disease - MPO>PR3 - ANCA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Drug Induced Lupus ... Epidemiology: -10% of all lupus ... - Rare - pANCA ... 50-60% - pANCA
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... , oral ulcers, Lupus ... 50-60% - pANCA ... Lupusreference #SLE #lupus
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
IgA nephropathy, lupus ... cytoplasmic antibody (ANCA ... ) + • c-ANCA: ... staining • p-ANCA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Associated - ANCA ... Granulomas - ANCA ... Granulomas - ANCA ... inflammation Others: • Lupus ... such as systemic lupus