{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:45:10Z","timestamp":1787755510565,"version":"build-2784847793"},"reference-count":12,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JBJS Case Connector"],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>The cause of osteochondritis dissecans is unknown. Various hypotheses suggest mechanical, ischemic, and hereditary causes. We describe a 13-year-old girl with spastic diplegia, a form of cerebral palsy, who had an associated crouch gait and presented with bilateral osteochondral defects of the medial and lateral femoral condyles.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This case highlights the potential role of repetitive microtrauma, likely due to the poor biomechanical forces in a crouch gait, and provides support for a mechanical cause of osteochondritis dissecans.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.17.00271","type":"journal-article","created":{"date-parts":[[2018,6,26]],"date-time":"2018-06-26T18:58:16Z","timestamp":1530039496000},"page":"e41-e41","source":"Crossref","is-referenced-by-count":1,"title":["Bilateral Bicondylar Osteochondritis Dissecans in a Child with Spastic Diplegia and Crouch Gait"],"prefix":"10.2106","volume":"8","author":[{"given":"Derek T.","family":"Nhan","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, The Johns Hopkins Hospital, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcel Robles","family":"Garcia","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, The Johns Hopkins Hospital, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4692-9531","authenticated-orcid":false,"given":"R. Jay","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, The Johns Hopkins Hospital, Baltimore, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2018,6]]},"reference":[{"key":"bib1-20230712","first-page":"1947603517715736","article-title":"Osteochondritis dissecans: etiology, pathology, and imaging with a special focus on the knee joint","author":"Bruns","year":"2017","journal-title":"Cartilage."},{"issue":"4","key":"bib2-20230712","doi-asserted-by":"crossref","first-page":"763","DOI":"10.1016\/j.ocl.2016.05.001","article-title":"Pediatric knee osteochondritis dissecans lesions","volume":"47","author":"Cruz","year":"2016","journal-title":"Orthop Clin North Am."},{"issue":"2","key":"bib3-20230712","doi-asserted-by":"crossref","first-page":"320","DOI":"10.1177\/0363546513510390","article-title":"The demographics and epidemiology of osteochondritis dissecans of the knee in children and adolescents","volume":"42","author":"Kessler","year":"2014","journal-title":"Am J Sports Med."},{"issue":"5","key":"bib4-20230712","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1097\/BPO.0000000000000323","article-title":"Prevalence of bilateral JOCD of the knee and associated risk factors","volume":"35","author":"Cooper","year":"2015","journal-title":"J Pediatr Orthop."},{"issue":"4","key":"bib5-20230712","doi-asserted-by":"crossref","first-page":"1186","DOI":"10.1007\/s11999-012-2324-5","article-title":"Three osteochondritis dissecans lesions in one knee: a case report","volume":"471","author":"Grimm","year":"2013","journal-title":"Clin Orthop Relat Res."},{"issue":"3","key":"bib6-20230712","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1016\/S0030-5898(03)00038-5","article-title":"Juvenile osteochondritis dissecans","volume":"34","author":"Wall","year":"2003","journal-title":"Orthop Clin North Am."},{"issue":"1","key":"bib7-20230712","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1016\/S0278-5919(05)70012-0","article-title":"Osteochondritis dissecans of the distal femur and patella","volume":"16","author":"Obedian","year":"1997","journal-title":"Clin Sports Med."},{"issue":"4","key":"bib8-20230712","first-page":"E30","article-title":"Overview of four functional classification systems commonly used in cerebral palsy","volume":"4","author":"Paulson","year":"2017","journal-title":"Children (Basel)."},{"issue":"4","key":"bib9-20230712","first-page":"388","article-title":"Cerebral palsy gait, clinical importance","volume":"8","author":"Tugui","year":"2013","journal-title":"Maedica (Buchar)."},{"issue":"1","key":"bib10-20230712","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1097\/01.bpo.0000191554.34197.fd","article-title":"Relationship between osteochondritis dissecans of the lateral femoral condyle and lateral menisci types","volume":"26","author":"Deie","year":"2006","journal-title":"J Pediatr Orthop."},{"issue":"3","key":"bib11-20230712","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1302\/0301-620X.53B3.440","article-title":"Osteochondritis dissecans of the knee. A clinical survey","volume":"53","author":"Aichroth","year":"1971","journal-title":"J Bone Joint Surg Br."},{"issue":"4","key":"bib12-20230712","first-page":"231","article-title":"Osteochondritis dissecans: a multicenter study of the European Pediatric Orthopedic Society","volume":"8","author":"Hefti","year":"1999","journal-title":"J Pediatr Orthop B."}],"container-title":["JBJS Case Connector"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/01709767-201806000-00019","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T13:43:29Z","timestamp":1787751809000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/01709767-201806000-00019"}},"subtitle":["A Case Report"],"short-title":[],"issued":{"date-parts":[[2018,6]]},"references-count":12,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2018]]}},"URL":"https:\/\/doi.org\/10.2106\/jbjs.cc.17.00271","relation":{},"ISSN":["2160-3251"],"issn-type":[{"value":"2160-3251","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,6]]}}}