{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:43:40Z","timestamp":1787755420445,"version":"build-2784847793"},"reference-count":17,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>We present 2 cases of spontaneous index finger (IF) flexor tendon ruptures because of previously undiagnosed osteonecrosis (OA) of the capitate. Imaging revealed fragmentation of the capitate, and patients were treated with excision or fixation of the bony fragments with tendon repair. At the final follow-up, both patients had functional digital range of motion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>OA of the capitate is relatively rare and may present as atraumatic (IF) flexor tendon ruptures because of attritional wear when associated with bony fragmentation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.21.00403","type":"journal-article","created":{"date-parts":[[2022,1,5]],"date-time":"2022-01-05T14:05:51Z","timestamp":1641391551000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":1,"title":["Atraumatic Index Finger Flexor Tendon Rupture as a Presenting Sign of Capitate Osteonecrosis"],"prefix":"10.2106","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4850-186X","authenticated-orcid":false,"given":"Viviana M.","family":"Serra L\u00f3pez","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4132-244X","authenticated-orcid":false,"given":"Joseph","family":"Koressel","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4378-9668","authenticated-orcid":false,"given":"Stephen Y.","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Steinberg","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2022,1]]},"reference":[{"issue":"6","key":"bib1-20240805","doi-asserted-by":"crossref","first-page":"562","DOI":"10.3109\/00016924209176864","article-title":"Aseptic bone necrosis of the os capitatum (os magnum)","volume":"23","author":"Jonsson","year":"1942","journal-title":"Acta Radiol."},{"issue":"2","key":"bib2-20240805","doi-asserted-by":"crossref","first-page":"148","DOI":"10.1016\/j.jhsa.2019.05.022","article-title":"Avascular necrosis of the carpal bones other than Kienb\u00f6ck disease","volume":"45","author":"Afshar","year":"2020","journal-title":"J Hand Surg Am."},{"issue":"7","key":"bib3-20240805","doi-asserted-by":"crossref","first-page":"702","DOI":"10.1177\/1753193419850108","article-title":"Avascular necrosis of the capitate: case series of five patients and review of literature","volume":"44","author":"Athlani","year":"2019","journal-title":"J Hand Surg Eur Vol."},{"issue":"4","key":"bib4-20240805","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/S0363-5023(83)80195-6","article-title":"The arterial anatomy of the human carpus. 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