9 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific Antibodies ... , TIF1y, NXP2, Mi ... #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 ... others (RNP, aPL antibodies ... , Others: SRP, Mi ... #diagnosis #associations ... #table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Anti-MDA5, anti-Mi ... Pattern: Proximal and ... #comparison #rheumatology ... #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... likely it will be clinically ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... -15% If SLE is clinically ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Related Disease Clinical ... PET-CT Imaging (→ Diagnostic ... autoantibodies (antinuclear ... antibodies, rheumatoid ... workup #treatment #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... erythematosus (SLE) - Antinuclear ... antibodies, which ... and RF (if clinical ... #testing #Rheumatology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... bouts of HTN Diagnostic ... Transverse Myelitis Diagnosis ... out compressive myelopathies ... Antiamphiphysin antibodies
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
hypofunction • Antibodies ... ab • RF • Antinuclear ... antibodies ≥ 1: ... salivary ducts Clinical ... Sjogrens #Syndrome #Rheumatology