15 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 ... antibodies
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
others (RNP, aPL antibodies ... • Scleroderma (Systemic ... : P-ANCA (perinuclear ... ), C-ANCA (cytoplasmic ... #associations #table
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... cases • Sjögren syndrome ... connective tissue disease ... 90% • Anti-GBM disease ... #diseases
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... Disease! ... Rheumatic Diseases ... #rheumatology #diagnosis ... #differential
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic Diseases ... connective tissue disease ... #Antinuclear #Antibodies ... #ANA #patterns
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
SLE-Related Auto-Antibodies ... : - ANA 95-100% ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Decade Skin Disease ... tissue disease ... rheumatologic diseases ... ) • Kikuchi disease ... Serositis Labs: • ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pain • Kawasaki Disease ... (Granulomatous disease ... rheumatic diseases ... atherosclerotic disease ... most important 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
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
multisystemic disease ... associated with other diseases ... demyelinating disease ... peripheral Thyroid Disease ... Tracheobronchial disease