{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:46:23Z","timestamp":1787755583916,"version":"build-2784847793"},"reference-count":16,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>A 14-year-old boy underwent open reduction and internal fixation (ORIF) of a tibial tubercle avulsion fracture. Seven weeks postoperatively, the patient slipped in the bathroom and was found to have a superior patellar pole periosteal sleeve avulsion injury.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>We describe a rare case of periosteal sleeve avulsion fracture of the superior patella pole after tibial tubercle avulsion fracture ORIF in an adolescent male patient. The etiology of this injury pattern may be due to altered tensile forces transmitted through the extensor mechanism related to the previous surgery. Orthopaedic surgeons should be aware of this unusual sequela.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.20.00155","type":"journal-article","created":{"date-parts":[[2020,9,21]],"date-time":"2020-09-21T15:38:53Z","timestamp":1600702733000},"page":"e20.00155-e20.00155","source":"Crossref","is-referenced-by-count":3,"title":["Superior Patella Periosteal Sleeve Avulsion After Ipsilateral Tibial Tubercle Fracture Fixation"],"prefix":"10.2106","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1081-1988","authenticated-orcid":false,"given":"Michelle L.","family":"Hertzberg","sequence":"first","affiliation":[{"name":"Department of Orthopaedics, New York Medical College, Valhalla, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7854-4433","authenticated-orcid":false,"given":"Tina","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3879-151X","authenticated-orcid":false,"given":"Andrew G.","family":"Dubina","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5794-4294","authenticated-orcid":false,"given":"R. Frank","family":"Henn","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2020]]},"reference":[{"issue":"1","key":"bib1-20230720","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.knee.2004.08.002","article-title":"A review of sleeve fractures of the patella in children","volume":"12","author":"Hunt","year":"2005","journal-title":"Knee."},{"issue":"1","key":"bib2-20230720","doi-asserted-by":"crossref","first-page":"65","DOI":"10.5334\/jbsr.1597","article-title":"Superior sleeve avulsion of the patella","volume":"102","author":"Hemeleers","year":"2018","journal-title":"J Belg Soc Radiol."},{"issue":"2","key":"bib3-20230720","doi-asserted-by":"crossref","first-page":"339","DOI":"10.1302\/0301-620X.73B2.2005169","article-title":"Sleeve fracture of upper pole of patella","volume":"73","author":"Bishay","year":"1991","journal-title":"J Bone Joint Surg Br."},{"issue":"11","key":"bib4-20230720","doi-asserted-by":"crossref","first-page":"2331","DOI":"10.1177\/0363546510374448","article-title":"Superior pole sleeve fracture of the patella: a case report and review of the literature","volume":"38","author":"Gettys","year":"2010","journal-title":"Am J Sports Med."},{"issue":"1","key":"bib5-20230720","first-page":"114","article-title":"Sleeve fracture of the upper pole of the patella: a case report","volume":"73","author":"Van Isacker","year":"2007","journal-title":"Acta Orthop Belg."},{"issue":"2","key":"bib6-20230720","doi-asserted-by":"crossref","first-page":"385","DOI":"10.2106\/JBJS.G.00225","article-title":"Sleeve fracture of the superior pole of the patella with an intra-articular dislocation. 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