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Navicular stress fracture — MRCEM SBA MCQ

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HardAnkle and FootNavicular stress fractureMRCEM SBA

A 21-year-old sprinter has gradual dorsal midfoot pain that worsens with running and persists at rest. There is focal tenderness over the navicular and hopping is painful. What is the most appropriate investigation?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — MRI of the foot

Navicular stress fracture is a high-risk stress injury and may be radiographically occult. MRI is an appropriate early investigation when suspicion is high. Delayed diagnosis can lead to non-union and prolonged absence from sport.

Reference: BJSM bone stress injury guidance