1688 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 ... @AnnKumfer #ANCA ... #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... 80-90%) > MPO - ANCA ... MPO: 75-80% - ANCA ... Antinuclear #Antibody #ANCA ... Antineutrophil #antibodies #diagnosis
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 ... Glomerulonephritis #Algorithm
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
Vasculitides #Diagnosis ... Classification #ANCA ... #Differential #Algorithm
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
• Lupus (SLE): ANA ... Polymerase Ill • ANCA ... Vasculitis: P-ANCA ... perinuclear), C-ANCA ... #Rheumatology #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
(C-ANCA): GPA > ... > eGPA • MPO-ANCA ... (P-ANCA): eGPA, ... #differential #diagnosis ... #algorithm #rheumatology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... Pauci-Immune: - ANCA-positive ... polyangiitis) - ANCA-negative ... testing: anti-ANCA ... #differential #diagnosis
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
- Differential Diagnosis ... Framework ANCA: ... • C-ANCA: GPA ... Wegener's) • P-ANCA ... #differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Associated - ANCA ... Granulomas - ANCA ... Differential Diagnosis ... #differential #diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... Graves' disease c-ANCA ... granulomatosis p-ANCA ... Associations #diseases #diagnosis