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 ... , TIF1y, NXP2, Mi ... #Antibodies #MSAs ... clinical #diagnosis #rheumatology ... #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... but often not specific ... @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Association with disease ... searched for when ANA ... erythematosus #diagnosis #rheumatology ... #table #ANA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... ANA - Non-specific ... #diagnosis #table ... #rheumatology # ... antibodies
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... relapse No specific ... autoantibodies (antinuclear ... antibodies, rheumatoid ... workup #treatment #rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
hypofunction • Antibodies ... Anti-Ro/SSA ab (specific ... ab • RF • Antinuclear ... antibodies ≥ 1: ... Sjogrens #Syndrome #Rheumatology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
features that are specific ... heart valves • MRI ... often seen • MRI ... - Infectious Diseases ... Marantic #diagnosis #table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... erythematosus (SLE) - Antinuclear ... antibodies, which ... are more specific ... diagnosis #testing #Rheumatology