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Orthopaedics · Foot and ankle
Sample itemWhich feature is concerning for a Lisfranc injury after midfoot trauma?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Plantar bruising with midfoot pain
Plantar midfoot bruising and pain after twisting or crush injury can indicate Lisfranc disruption, which requires careful imaging and specialist review.
Option by option
A. Isolated heel itch
Heel itch is a dermatological symptom.
B. Lateral elbow tenderness
Elbow tenderness is unrelated to midfoot injury.
C. Plantar bruising with midfoot pain (correct)
Correct: plantar ecchymosis is a classic Lisfranc warning sign.
D. Painless toe nail thickening
Nail thickening suggests onychomycosis.
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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