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Syndesmotic sprain — MRCEM SBA MCQ

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ModerateAnkle and FootSyndesmotic sprainMRCEM SBA

A 25-year-old hockey player sustains external rotation injury to the ankle. Pain is above the ankle mortise, squeeze test is positive, and hopping is not possible despite minimal swelling. What is the most likely diagnosis?

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Correct answer: A — Syndesmotic ankle sprain

Pain above the ankle joint after external rotation injury suggests syndesmotic injury. Squeeze and external rotation tests support this diagnosis, although imaging may be needed. High ankle sprains have longer recovery than simple lateral sprains.

Reference: Brukner & Khan; BJSM