{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T19:13:57Z","timestamp":1782760437446,"version":"3.54.5"},"reference-count":15,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2021,2,24]],"date-time":"2021-02-24T00:00:00Z","timestamp":1614124800000},"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>A significant lesson for those assessing the work of others stems from the necessity to review what has been written before. It remains a common but human error to misinterpret or misrepresent the words of others and indeed, for inconsistencies in these to become apparent. This is certainly so in the field of congenital hand surgery and especially so with discussion of thumb duplication\/polydactyly. Many of the presentations in this journal issue deal with the subject of thumb duplication. All involve a consideration of classification despite an emphasis on investigative measures and techniques in some. For ease of reading, I will place my comments on these articles within the categories of classification, investigations assisting management decisions and alternative techniques, though the contents of each article are not necessarily restricted to these categories.<\/jats:p>","DOI":"10.1177\/1753193421994778","type":"journal-article","created":{"date-parts":[[2021,2,25]],"date-time":"2021-02-25T00:33:35Z","timestamp":1614213215000},"page":"341-345","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Thumb duplication\/polydactyly"],"prefix":"10.1177","volume":"46","author":[{"given":"Michael","family":"Tonkin","sequence":"first","affiliation":[{"name":"Department of Hand Surgery and Peripheral Nerve Surgery, Royal North Shore Hospital, St Leonards, Australia"},{"name":"The Children's Hospital at Westmead, University of Sydney, Sydney, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,2,24]]},"reference":[{"key":"bibr1-1753193421994778","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e3182648ca8"},{"key":"bibr2-1753193421994778","doi-asserted-by":"crossref","unstructured":"Fang X, Chan PT, Zhou S, Di X, Guoi R, Wang B. A volar approach to on-top plasty for correction of radial polydactyly: a case series of 21 patients. J Hand Surg Eur. 2021, 46: 373\u20137.","DOI":"10.1177\/1753193420981852"},{"key":"bibr3-1753193421994778","unstructured":"Flatt AE. Extra thumbs. In: Flatt AE (Ed.)\n                      The care of congenital hand anomalies\n                      . St Louis, MO, Quality Medical Publishing, 1994: 120\u201345."},{"key":"bibr4-1753193421994778","doi-asserted-by":"publisher","DOI":"10.1016\/S0363-5023(97)80127-X"},{"key":"bibr5-1753193421994778","doi-asserted-by":"crossref","unstructured":"Iba K, Saito A, Hanaka M, Yamashita T. Long-term outcomes after corrective cartilaginous joint resection based on arthrographic findings of duplicated thumbs. J Hand Surg Eur. 2021, 46: 367\u201372.","DOI":"10.1177\/1753193421994780"},{"key":"bibr6-1753193421994778","doi-asserted-by":"crossref","unstructured":"Kim JK, Al-Dhafer BAA, Shin YH, Joo HS. Polydactyly of the thumb: a modification of the Wassel\u2013Flatt classification. J Hand Surg Eur. 2021, 46: 346\u201351.","DOI":"10.1177\/1753193420981541"},{"key":"bibr7-1753193421994778","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-0712(21)00700-9"},{"key":"bibr8-1753193421994778","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-016-5068-9"},{"key":"bibr9-1753193421994778","doi-asserted-by":"publisher","DOI":"10.1016\/S0363-5023(96)80366-2"},{"key":"bibr10-1753193421994778","doi-asserted-by":"crossref","unstructured":"Saito S, Tsuge I, Yamanaka H, Morimoto N. Soft tissue abnormalities in Wassel Type VI radial polydactyly: a detailed anatomical study. J Hand Surg Eur. 2021, 46: 352\u20139.","DOI":"10.1177\/1753193421990212"},{"key":"bibr11-1753193421994778","doi-asserted-by":"crossref","unstructured":"Tsunekawa K, Kondoh S, Noguchi M, Yuzuriha S, Iwasawa M. Aesthetic outcomes following adipose flap versus fillet flap technique for radial polydactyly: a comparison study. 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