Pathology · single question
SSA (anti-Ro) antibodies are used in the diagnosis of which condition?
Show answer and explanation
Correct answer: A. Sjögren's syndrome
Anti-SSA (anti-Ro) antibodies are hallmark serologic markers for Sjögren's syndrome (found in ~70–80% of primary Sjögren's patients).
- A. ✅ CORRECT – Anti-SSA (anti-Ro) antibodies are the hallmark for Sjögren's syndrome.
- B. ❌ SSA can occur in SLE but is most diagnostic for Sjögren's.
- C. ❌ RA uses RF and anti-CCP antibodies.
- D. ❌ Crohn's disease uses ASCA antibodies.