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The term "Lisfranc injury" encompasses a spectrum of injuries that involve disruption of the tarsometatarsal joint complex. The vast majority of these injuries occur due to high-energy trauma, present as fracture-dislocation of one or more metatarsal bases, and are readily diagnosed on plain radiographs. On the other hand, ligamentous Lisfranc injuries involve disruption of the strong Lisfranc ligament, which connects the plantar surfaces of the medial cuneiform and the base of the second metatarsal. These injuries occur due to low-energy trauma, present with subtle clinical and radiographic signs, and may be easily missed in the emergency department (ED). The authors highlight the subtle, yet important radiographic findings of a ligamentous Lisfranc injury in an amateur soccer player.
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