9 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in ... others (RNP, aPL antibodies ... Peptide (CCP) • Myositis ... • Scleroderma (Systemic ... Vasculitis: P-ANCA
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... ) • Systemic lupus ... erythematosus ... cases • Sjögren syndrome ... #rheumatology #
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... c-ANCA - Vasculitis ... - Vasculitis, e.g ... diagnosis #table #rheumatology ... #antibodies
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... , Myositis, Mixed ... #rheumatology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... ischemia - Skin: erythematous ... lupus erythematosus ... ) pattern: antibodies ... 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 ... Diagnosis: • ANCA-associated ... Non-autoimmune rheumatologic ... -70, RNP antibodies ... with Lupus: • Chronic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemia • Skin: Erythematous ... Conjunctivitis, mucositis ... Eosinophilia, asthma, chronic ... • Cogan syndrome ... Differential #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... lupus erythematosus ... double-stranded DNA antibodies ... level to exclude myositis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... Mechanic's hands Autoantibodies ... • Conduction system ... muscular atrophy • Chronic ... #Myopathy #rheumatology