skip to main content

Lisfranc injury — ABEM Board MCQ

Instant feedback + full explanation. One question, done properly.

ModerateMusculoskeletal/Orthopedic emergenciesLisfranc injuryABEM Board

A 29-year-old man twists his foot during soccer and arrives unable to bear weight. Triage acuity is ESI 4; BP 122/76 mm Hg, HR 78/min. He has midfoot swelling, plantar ecchymosis, and pain with forefoot abduction. Initial non-weight-bearing radiographs are subtle. Which of the following is the most appropriate imaging study?

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

Reveal the answer and explanation

Correct answer: B — CT of the foot to define subtle midfoot fracture-dislocation

When Lisfranc injury is suspected and plain films are subtle, CT helps define midfoot fracture-dislocation for operative planning.

Reference: Emergency orthopedic foot injury guidance