{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:46:18Z","timestamp":1787755578902,"version":"build-2784847793"},"reference-count":17,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","funder":[{"name":"Gillette Children's Spine Fund"}],"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>Two pediatric patients with early-onset neuromuscular scoliosis developed heterotopic ossification (HO) on the telescoping hub of magnetically controlled growing rods (MCGR), preventing lengthening. Resection of the circumferential HO and placement of a polytetrafluorethylene (PTFE) liner around the rod restored MCGR lengthening capabilities for 1.3 to 1.5 years after revision surgery, with no HO recurrence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>HO formation surrounding the telescoping portion of the MCGR is a possible cause for failure to lengthen. If found, resection and placement of a PTFE liner can restore MCGR lengthening.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>\n                      <jats:underline>Level IV<\/jats:underline>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.24.00511","type":"journal-article","created":{"date-parts":[[2025,4,25]],"date-time":"2025-04-25T14:00:27Z","timestamp":1745589627000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Heterotopic Ossification Interfering With Lengthening of Magnetically Controlled Growing Rods"],"prefix":"10.2106","volume":"15","author":[{"given":"Luis","family":"Torres-Gonzalez","sequence":"first","affiliation":[{"name":"Research Department, Gillette Children's, St. Paul, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tenner J.","family":"Guillaume","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Gillette Children's, St. Paul, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8848-6724","authenticated-orcid":false,"given":"Daniel J.","family":"Miller","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Gillette Children's, St. Paul, Minnesota"},{"name":"Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8059-3659","authenticated-orcid":false,"given":"Sara J.","family":"Morgan","sequence":"additional","affiliation":[{"name":"Research Department, Gillette Children's, St. Paul, Minnesota"},{"name":"Division of Rehabilitation Science, University of Minnesota, Minneapolis, Minnesota"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, Washington"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9434-7272","authenticated-orcid":false,"given":"Laura C.","family":"Tillman","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Gillette Children's, St. Paul, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2025,4]]},"reference":[{"issue":"1","key":"bib1-20250425","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1542\/peds.2015-0709","article-title":"Early-onset scoliosis: a review of history, current treatment, and future directions","volume":"137","author":"Yang","year":"2016","journal-title":"Pediatrics."},{"key":"bib2-20250425","first-page":"75","article-title":"Magnetic controlled growth rods in the treatment of scoliosis: safety, efficacy and patient selection","volume":"13","author":"Tsirikos","year":"2020","journal-title":"Med devices (Auckl)."},{"issue":"9","key":"bib3-20250425","doi-asserted-by":"crossref","first-page":"2062","DOI":"10.1007\/s00586-018-5590-4","article-title":"Systematic review of the complications associated with magnetically controlled growing rods for the treatment of early onset scoliosis","volume":"27","author":"Thakar","year":"2018","journal-title":"Eur Spine J."},{"issue":"2","key":"bib4-20250425","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1097\/01241398-200403000-00016","article-title":"Surgical management of juvenile amputation overgrowth with a synthetic cap","volume":"24","author":"Tenholder","year":"2004","journal-title":"J Pediatr Orthop."},{"issue":"2","key":"bib5-20250425","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1080\/00016480500312570","article-title":"Anti-adhesive properties of polytetrafluoroethylene (Gore-Tex) in middle ear surgery. 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