{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T00:02:30Z","timestamp":1777852950547,"version":"3.51.4"},"reference-count":17,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2021,1,14]],"date-time":"2021-01-14T00:00:00Z","timestamp":1610582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Hand Surg Eur Vol"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:p>Correction of unequal radial polydactyly in which neither thumb duplicates possess both well-developed proximal and distal components, remains challenging. Current techniques using on-top plasty techniques require circumferential incisions, often resulting in postoperative swelling and dorsal scars. We described our experience using a volar approach to achieve better aesthetic and functional results. Twenty-one patients underwent this surgery between 2008 and 2018, with a mean follow-up of 5.1 years. The mean flexion\u2013extension arc for the metacarpophalangeal joint was 75\u00b0 and that of the interphalangeal joint was 43\u00b0. Mean percentage of key, tripod and tip pinch strength were 77%, 79% and 77%, respectively, when compared with the contralateral side. The Vancouver Scar Scale showed an average score of 1.2. We conclude from our study that the volar approach to on-top plasty is a good technique for the correction of unequal radial polydactyly, with good functional and aesthetic results.<\/jats:p>\n                  <jats:p>Level of evidence: IV<\/jats:p>","DOI":"10.1177\/1753193420981852","type":"journal-article","created":{"date-parts":[[2021,1,14]],"date-time":"2021-01-14T22:30:49Z","timestamp":1610663449000},"page":"373-377","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["A volar approach to on-top plasty for correction of radial polydactyly: a case series of 21 patients"],"prefix":"10.1177","volume":"46","author":[{"given":"Xia","family":"Fang","sequence":"first","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Shanghai Jiaotong University School of Medicine, Shanghai"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ping-tak","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Traumatology, Tuen Mun Hospital, Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shengbo","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Shanghai Jiaotong University School of Medicine, Shanghai"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinyi","family":"Dai","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Shanghai Jiaotong University School of Medicine, Shanghai"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruiji","family":"Guo","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Shanghai Jiaotong University School of Medicine, 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