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Orthopaedics · Fractures: snowboarder's fracture
Sample itemA snowboarder lands from a jump with persistent lateral ankle pain, and the ankle is diagnosed as a sprain. Radiographs are normal and pain persists for weeks. Which fracture is commonly missed in this scenario?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Fracture of the lateral process of the talus
A snowboarder's fracture involves the lateral process of the talus, caused by dorsiflexion and inversion with axial load, and is often diagnosed as a lateral ankle sprain. Plain films may miss it, and CT is more sensitive. Missed fractures cause chronic pain and subtalar arthritis.
Option by option
A. Fracture of the medial malleolus
A medial malleolus fracture is usually seen on films.
B. Fracture of the patella
A patellar fracture is unrelated to ankle pain.
C. Fracture of the base of the fifth metatarsal only
A fifth metatarsal base fracture is another injury with different tenderness.
D. Fracture of the lateral process of the talus (correct)
Correct. The lateral process of the talus is classically missed.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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