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A minimum follow\u2010up of 12\u2009months was required for inclusion. Patient\u2010reported outcome measures were evaluated preoperatively and at the latest follow\u2010up, including the American Orthopaedic Foot &amp; Ankle Society score, visual analogue scale, ankle activity score, and Foot and Ankle Outcome Score, with minimal clinically important difference analyzed of each scale. Subjective satisfaction was assessed with a 0\u2010to\u201010 scale. Return\u2010to\u2010sports rate and representative sports level were recorded. The Magnetic Resonance Observation of Cartilage Repair Tissue score was evaluated based on postoperative magnetic resonance imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Overall, 45 patients (45 ankles) were included. Mean follow\u2010up duration was 27.6\u2009\u00b1\u20099.9\u2009months (range, 14.7\u201048.0\u2009months). Average diameter and depth of subchondral cysts were 13.5\u2009\u00b1\u20092.9 and 8.4\u2009\u00b1\u20091.6\u2009mm. Patient\u2010reported outcome measures were significantly improved: American Orthopaedic Foot &amp; Ankle Society, from 53.9\u2009\u00b1\u200915.6 to 88.2\u2009\u00b1\u20099.8; visual analogue scale, from 7.9\u2009\u00b1\u20090.8 to 2.0\u2009\u00b1\u20091.0; ankle activity score, from 2.3\u2009\u00b1\u20091.1 to 4.0\u2009\u00b1\u20091.4; and Foot and Ankle Outcome Score, from 59.0\u2009\u00b1\u20097.8 to 83.1\u2009\u00b1\u200912.1 (\n                      <jats:italic>P\u2009<\/jats:italic>\n                      &lt;\u2009.001 for all). Subjective satisfaction was 8.9\u2009\u00b1\u20091.1. Percentages of patients exceeding minimal clinically important differences of the American Orthopaedic Foot &amp; Ankle Society, visual analogue scale, ankle activity score, and Foot and Ankle Outcome Score were 97.8%, 100.0%, 75.6%, and 88.9%, respectively. Return\u2010to\u2010sports rate was 64.5%, and 32.3% resumed preinjury level. The Magnetic Resonance Observation of Cartilage Repair Tissue score was 80.8\u2009\u00b1\u200912.0 at 19\u2010month follow\u2010up, with complete filling of the defects observed in 71.8% and complete integration in 79.5% patients.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In treatment of osteochondral lesions of the talus with large subchondral cysts, all\u2010arthroscopic autologous cancellous bone transplantation showed favorable clinical and radiologic outcomes at a minimum 12\u2010month follow\u2010up, achieving significant improvements in patient\u2010reported outcome measures and a mean Magnetic Resonance Observation of Cartilage Repair Tissue score of 80.8, although the return\u2010to\u2010sports rate remained modest at 64.5%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, retrospective case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/arj.70085","type":"journal-article","created":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T08:35:17Z","timestamp":1776069317000},"page":"647-656","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["All\u2010Arthroscopic Autologous Cancellous Bone Transplantation Achieves Favorable Functional Improvements and Radiographic Recovery in Large Cystic Osteochondral Lesions of the Talus at a Minimum 12\u2010Month Follow\u2010Up"],"prefix":"10.1002","volume":"42","author":[{"given":"Fengyi","family":"Hu","sequence":"first","affiliation":[{"name":"Department of Sports Medicine Peking University Third Hospital  Beijing China"},{"name":"Institute of Sports Medicine of Peking University  Beijing China"},{"name":"Beijing Key Laboratory of Sports Injuries  Beijing 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