10 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... their Disease Associations ... c-ANCA - Vasculitis ... diseases #diagnosis ... #table #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Rheumatic Diseases ... • Rheumatic Diseases ... #patterns #rheumatology ... #diagnosis #differential
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • ... Lupus (SLE): ANA ... #Rheumatology # ... diagnosis #associations ... #table
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Diseases: • Homogeneous ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... with disease activity ... with auto-immune diseases ... #rheumatology # ... table #ANA
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Types II and III ... DDX: • ANCA (Antineutrophil ... ), rheumatoid arthritis ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis: Systemic ... rheumatic diseases ... LFT • ESR • ANA ... ) pattern: antibodies ... #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) test ... #Disease #Rheumatoid ... #workup #diagnosis ... #testing #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... Diagnosis: • ANCA-associated ... • (-) ANA + (+ ... #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
• Anti-NXP2 (ANA ... Interstitial lung disease ... (ANA present 80% ... Interstitial lung disease ... Myositis #Myopathy #rheumatology