8 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Antibodies (MSAs ... Anti-Synthetase Syndrome ... MSAs #clinical #diagnosis ... #rheumatology # ... table
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... others (RNP, aPL antibodies ... #diagnosis #associations ... #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... , Myositis, Mixed ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... and CNS • Headache ... • Transverse Myelitis ... #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
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Diagnosis: • Dry ... nervous system (CNS ... neuropathy, transverse myelitis ... • 8%-27% for CNS ... #Rheumatology #
Antiphospholipid Syndrome (APLS) Testing - Hypercoagulable Workup Algorithm
INDICATIONS FOR TESTING:
 • Vascular thrombosis
Antiphospholipid Syndrome ... Hypercoagulable Workup Algorithm ... excluded Testing: • Lupus ... Antiphospholipid #Syndrome ... #diagnosis #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... myopathies Diagnostic ... RP-ILD), dermato-rheumatologic ... nucleotidase 1A (Anti cN ... #Myopathy #rheumatology