6 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... context of other symptoms ... Juvenile Idiopathic Arthritis ... Thyroid, Autoimmune ... ANA #patterns #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... pain • Swan neck/Ulnar ... : • Symptoms limited
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Joint diseases ... boggy" joints, esp carpal ... Boutonniere's ulnar ... pathophysiology #signs #symptoms
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... , Arthritis, myalgia ... constitutional symptoms ... Evolution: Chronic disease ... comparison #table #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Others: • Lupus ... such as systemic lupus ... Presentation - Systemic Symptoms ... retinopathy Lab Tests ... differential #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... Diagnostic Tests ... RP-ILD), dermato-rheumatologic ... • Nonerosive arthritis ... Myositis #Myopathy #rheumatology