II. Definitions
- Mixed Connective Tissue Disease (MCTD)
- Condition with combined features of Systemic Lupus Erythematosus, Myositis and Scleroderma
III. Findings: Presentation
IV. Labs
- Screening
- ANA Titer
- Confirmation
- Anti-ribonucleoprotein Antibody (Anti-RNP)
- Test Sensitivity for MCTD: 71-100%
- Test Specificity for MCTD: 84-100%
- Anti-ribonucleoprotein Antibody (Anti-RNP)