Knee-to-Ankle Mosaicplasty for the Treatment of Osteochondral Lesions of the Ankle Joint

BackgroundOsteochondral lesions are frequently seen in athletes after ankle injuries. At this time, osteochondral autologous transplantation (OATS, mosaicplasty) is the only surgical treatment that replaces the entire osteochondral unit in symptomatic lesions.PurposeTo evaluate the clinical and radiological midterm to long-term outcome of ankles treated with knee-to-ankle mosaicplasty.Study DesignCase series; Level of evidence, 4.MethodsClinical evaluation consisted of patient satisfaction, pain evaluation (visual analog scale [VAS]), American Orthopaedic Foot and Ankle Society (AOFAS) ankle score, sports activity score, range of motion, the radiological evaluation of magnetic resonance imaging (MRI), and single photon emission computed tomography–computed tomography (SPECT-CT) analysis of both the ankle and the knee joint.ResultsTwelve of 21 patients (mean age, 43 years; male, 8; female, 4) were available for latest follow-up (mean, 72 months). At follow-up, patients reported a satisfaction rate of good ...