11 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Rheumatic Diseases ... • Rheumatic Diseases ... #Antibodies #ANA ... #patterns #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... erythematosus ... cases • Sjögren syndrome ... #ANCA #Antineutrophil ... #rheumatology #
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic ... SLE), Sjogren's Syndrome ... #Antibodies #ANA ... #patterns #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • ... others (RNP, aPL antibodies ... Peptide (CCP) • Myositis ... • Scleroderma (Systemic ... #Rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • Autoimmune diseases ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rheumatic diseases ... lupus erythematosus ... ) pattern: antibodies ... ) pattern: is usually ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Anti-Ro/SSA autoantibodies ... vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... -70, RNP antibodies ... #Diagnosis #Rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... SLE-SSc-AlM overlap syndromes ... #autoantibodies ... #erythematosus ... #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... lupus erythematosus ... (SLE) - Antinuclear ... #Disease #Rheumatoid ... diagnosis #testing #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
rheumatic diseases ... ischemia • Skin: Erythematous ... Conjunctivitis, mucositis ... + MPO) Cryoglobulinemic ... Differential #Diagnosis #Rheumatology