足と足首の臨床研究

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Tibia Dome-Shaped Osteotomy for a Valgus Deformity in a Ball-and- Socket Ankle Joint: A Case Report

Fabrice Colin, Pablo Wagner, Lilianna Bolliger

We report the case of a 64 year-old man with a painful left ankle valgus instability. The instability was associated with a ball-and-socket ankle joint due to a congenital tarsal coalition. A dome-shaped osteotomy was done of the tibia and an additional osteotomy of the fibula to rebalance the ankle joint complex. At mid-term, the ankle joint remained stable, and the patient was pain free. We demonstrate here that a dome-shaped like osteotomy is a powerful tool to rebalance a severely unstable ball-and-socket ankle joint.