To evaluate middle-term outcomes of patients that underwent open mosaicplasty due to osteochondral lesions of the talus causing chronic complaints. The retrospective study included 23 patients that were diagnosed with a Grade III, IV, and V osteochondral lesion of the talus according to the Bristol classification system between January 2014 and December 2017. Pain assessment was performed using Visual Analog scale (VAS 1-10) and functional outcomes were assessed using the AOFAS (American Orthopedic Foot & Ankle Society) Ankle-Hindfoot Rating System. Additionally, a questionnaire was filled out by each patient both preoperatively and at 1 year postoperatively. Mean AOFAS score was 55.652 preoperatively and was 88.913 postoperatively and a significant difference was found between the two scores (p
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