69 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • Lupus (SLE ... ): ANA (anti-nuclear ... Polymerase Ill • ANCA ... Vasculitis: P-ANCA ... perinuclear), C-ANCA
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... in drug-induced SLE ... Anti-Ro/SSA ... Jcortesizaguirr #ANA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... - Drug-induced SLE ... Anti-SSA (Ro), ... Graves' disease c-ANCA ... granulomatosis p-ANCA
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 ... cytoplasmic antibodies; SLE ... Algorithm #Nephrology #Peds
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
searched for when ANA ... 40% Target: SS-A/Ro ... Anti-Ribo-P 5-15% If SLE ... higly specific for SLE ... rheumatology #table #ANA
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... activity Anti-Ro ... • Specific for SLE ... Ann Marie Kumfer ... Erythematosus #SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... lesions • Anti-Ro ... Diagnosis: • ANCA-associated ... Serositis Labs: • ANA ... antibodies • (-) ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... Workup: - ANA ... Erythematosus (SLE ... are evocative of SLE ... Workup: - ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Associated - ANCA ... Granulomas - ANCA ... 80-90% have PR3-ANCA ... LFT • ESR • ANA ... SLE) • Urinalysis
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... ) - Diagnosis and ... are evocative of SLE ... Workup: - ANA ... 50-60% - pANCA