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Ankylosing spondylitis — RACP Written MCQ

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ModerateRheumatologyAnkylosing spondylitisRACP Written

A 33-year-old man has inflammatory back pain improving with exercise, alternating buttock pain and anterior uveitis. Pelvic X-ray shows bilateral sacroiliitis. CRP is elevated. What is the most likely diagnosis?

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Correct answer: C — Ankylosing spondylitis

Young age, inflammatory back pain, uveitis and bilateral sacroiliitis are characteristic of ankylosing spondylitis.

Reference: Therapeutic Guidelines: Rheumatology; Australian rheumatology practice principles