11 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... ANA - Non-specific ... c-ANCA - Vasculitis ... granulomatosis p-ANCA ... #diagnosis #table
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... connective tissue disease ... 90% • Anti-GBM disease ... #antibodies #diagnosis ... diseases
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Lupus (SLE): ANA ... others (RNP, aPL antibodies ... • Scleroderma (Systemic ... diagnosis #associations ... #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... : The ANA patterns ... : Lupus (SLE), Systemic ... #ANA #patterns ... #rheumatology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... diseases, such ... atherosclerotic disease ... most important diseases ... ) pattern: antibodies
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Decade Skin Disease ... : • ANCA-associated ... tissue disease ... rheumatologic diseases
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
and Systemic lupus ... Association with disease ... searched for when ANA ... with auto-immune diseases ... table #ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... of autoantibodies ... : - ANA > ... Evolution: Chronic disease ... #comparison #table
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
OnePager Summary Autoimmune ... ANCA vasculitis ... diseases with pulmonary ... Inflammatory eye disease ... : ANCA antibody,
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... exclude inflammatory disease ... connective-tissue disease ... #Rheumatic #Disease