10 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in ... Lupus (SLE): ANA ... others (RNP, aPL antibodies ... diagnosis #associations ... #table
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... their Disease Associations ... diseases #diagnosis ... #table #rheumatology ... #antibodies
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... #Antinuclear #autoantibodies ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
SLE-Related Auto-Antibodies ... : - ANA 95-100% ... and Lupus Mimickers ... #autoantibodies ... #differential #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... Pattern: Proximal and ... #differential #diagnosis ... #comparison #rheumatology ... #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
of autoantibodies ... Workup: - ANA ... sle #comparison #table ... #rheumatology # ... diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Anti-Ro/SSA autoantibodies ... Differential Diagnosis ... Non-autoimmune rheumatologic ... Erythematosus #Diagnosis ... #Rheumatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic lupus ... pain, such as MI ... Presentation #comparison #Table ... #Diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... RP-ILD), dermato-rheumatologic ... (also seen in association ... Mechanic's hands Autoantibodies ... Myositis #Myopathy #rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
without these autoantibodies ... • Antibodies targeting ... • Myoglobin Association ... Dermatomyositis #diagnosis ... #management #rheumatology