9 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Juvenile Idiopathic Arthritis ... SLE), Sjogren's Syndrome ... Kumfer @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... SLE), Sjogren's Syndrome ... : Lupus (SLE), Systemic ... , Sjögren Syndrome ... #patterns #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... scleroderma) - Anti-Scl ... cases • Sjögren syndrome ... #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 ... and Systemic lupus ... #autoantibodies ... #Systemic #lupus ... erythematosus #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... • Anti-Ro/SSA autoantibodies ... -70, RNP antibodies ... : • Chronic B-cell ... #Diagnosis #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... months to years) Systemic ... • Evolution: Chronic ... disease Dr. ... comparison #table #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... inflammation Others: • Lupus ... lupus erythematosus ... C-ANCA) pattern: antibodies ... differential #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... lupus erythematosus ... (SLE) - Antinuclear ... diagnosis #testing #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

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