13 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... Antiphospholipid Antibody Syndrome ... LAC) • Sjogren Syndrome ... Autoantibodies #Rheumatology ... #table
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... ) • Systemic lupus ... scleroderma) - Anti-Scl ... cases • Sjögren syndrome ... #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anticentromere - CREST syndrome ... La) - Sjogren's syndrome ... Goodpasture's syndrome ... #table #rheumatology ... #antibodies
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
anemia 4% - Myositis ... SLE-Related Auto-Antibodies ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... , Myositis, Mixed ... #rheumatology #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Demyelinating syndromes ... Glomerulonephritis Myositis ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
dermatomyositis, Sjogren syndrome ... lymphoma • Evans' syndrome ... lymphoproliferative syndrome ... Shrinking lung syndrome ... #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... constitutional symptoms ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Mucocutaneous lymph node syndrome ... VASCULITIS: • Behçet Syndrome ... • Cogan Syndrome ... purpura: strong sign ... #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 ... erythematosus #diagnosis ... #rheumatology # ... table #ANA