Pathology · single question
Which test is used for Sjögren's syndrome?
Show answer and explanation
Correct answer: A. SSA (anti-Ro antibody) — along with anti-SSB, Schirmer test, minor salivary gland biopsy
- A. Correct. Anti-SSA (Ro) antibody testing, along with anti-SSB (La), the Schirmer test, and minor salivary gland (lip) biopsy, are the standard diagnostic tests for Sjögren's syndrome.
- B. ANA can be positive in Sjögren's but is nonspecific (positive in many autoimmune conditions) and not the specific diagnostic test highlighted.
- C. Rheumatoid factor can be positive in Sjögren's but is nonspecific and not the specific diagnostic test highlighted.
- D. ESR is a nonspecific marker of inflammation, not a specific diagnostic test for Sjögren's.