15 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... lupus erythematosus ... tissue disease ... lupus erythematosus ... #Antibodies #ANA
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... lupus erythematosus ... lupus erythematosus ... lupus erythematosus ... : Lupus (SLE), Systemic
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... connective tissue disease ... 90% • Anti-GBM disease ... #antibodies #diagnosis ... diseases
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... c-ANCA - Vasculitis ... (TTG) - Celiac disease ... #diagnosis #table ... antibodies
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... #Systemic #Lupus ... #Diagnosis #autoantibodies
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Lupus (SLE): ANA ... others (RNP, aPL antibodies ... • Scleroderma (Systemic ... Vasculitis: P-ANCA ... #table
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Still disease, ... rheumatologic diseases ... #Systemic #Lupus ... #Diagnosis #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
, Cogan's Syndrome ... polychondritis, Behcet's Disease ... ) • Rheumatic Diseases ... : IgG4-Related Disease ... lupus erythematosus
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Association with disease ... with auto-immune diseases ... #diagnosis #rheumatology ... #table #ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... diseases, such ... as systemic lupus ... atherosclerotic disease ... most important diseases