Ankle fractures are common injuries. If an ankle fracture is combined with tibiofibular syndesmosis separation, then tibiofibular transfixation should be used to stabilize the syndesmosis; in such cases, flexible (suture-button) fixation is an option. We surgically treated a male patient's unstable ankle fracture with internal fixation devices, including a suture-button fixator, and observed the development of a flexor hallucis longus checkrein deformity in the postoperative period. The aim of this report is to describe this rare postoperative complication associated with the use of suture-button transfixation of the tibiofibular syndesmosis.
Keywords: ankle fracture; checkrein deformity; flexible fixation; flexor hallucis longus; hallux malleus; syndesmosis separation.
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