{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:40:51Z","timestamp":1787755251326,"version":"build-2784847793"},"reference-count":33,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:p>\n                    <jats:list list-type=\"plain\">\n                      <jats:list-item>\n                        <jats:p>\u00bb Radial polydactyly is one of the most common congenital anomalies of the hand, with an incidence of 0.08 to 1.40 per 1,000 live births; it requires surgical treatment early in life.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>\u00bb Polydactyly occurs during weeks 5, 6, 7, and 8 of embryogenesis, principally due to misregulation of the sonic hedgehog protein within the developing limb bud.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>\u00bb The Flatt classification system of preaxial polydactyly (types I to VII), as published by Wassel, categorizes preaxial polydactyly based on osseous abnormalities, but it has substantial limitations.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>\u00bb For improved function and appearance, preaxial polydactyly ideally requires surgical intervention at an early age (between 1 and 2 years of age) before the development of fine motor skills.<\/jats:p>\n                      <\/jats:list-item>\n                    <\/jats:list>\n                  <\/jats:p>","DOI":"10.2106\/jbjs.rvw.21.00214","type":"journal-article","created":{"date-parts":[[2022,7,21]],"date-time":"2022-07-21T16:00:49Z","timestamp":1658419249000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":6,"title":["Radial Polydactyly"],"prefix":"10.2106","volume":"10","author":[{"given":"Nathan","family":"Khabyeh-Hasbani","sequence":"first","affiliation":[{"name":"SUNY Downstate Medical Center, Brooklyn, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Declan","family":"Tozzi","sequence":"additional","affiliation":[{"name":"SUNY Downstate Medical Center, Brooklyn, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara M.","family":"Guerra","sequence":"additional","affiliation":[{"name":"Cedars-Sinai Medical Center, Los Angeles, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven M.","family":"Koehler","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Montefiore Medical Center, Bronx, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2022,5]]},"reference":[{"issue":"5","key":"r1-20240731","doi-asserted-by":"crossref","first-page":"685","DOI":"10.1016\/j.bjps.2010.07.029","article-title":"Unique case of 11-fingered polydactyly with cleft hand","volume":"64","author":"Zhu","year":"2011","journal-title":"J Plast Reconstr Aesthet Surg"},{"issue":"2","key":"r2-20240731","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1093\/oxfordjournals.jhered.a105244","article-title":"Polydactylism in related New England families","volume":"34","author":"Odiorne","year":"1943","journal-title":"J Hered"},{"issue":"2","key":"r3-20240731","first-page":"97","article-title":"[Surgical treatment of polydactyly of the thumb]","volume":"9","author":"Egawa","year":"1966","journal-title":"Keisei Geka"},{"issue":"6","key":"r4-20240731","first-page":"266","article-title":"[Deformation of the fingers after surgery of polydactyly]","volume":"22","author":"Millesi","year":"1967","journal-title":"Klin Med Osterr Z Wiss Prakt Med"},{"issue":"64","key":"r5-20240731","first-page":"175","article-title":"The results of surgery for polydactyly of the thumb. 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