{"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":1787755510551,"version":"build-2784847793"},"reference-count":22,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","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>A 13-year-old girl presented after a right proximal femur replacement after proximal femoral resection for treatment of an Ewing sarcoma. She presented after multiple episodes of recurrent instability with her hip endoprosthesis chronically dislocated. Her hip was revised to a custom, constrained metal-on-metal acetabular component with a small iliac flange. The femoral component was revised to an allograft-prosthetic composite. She has been free of malignancy recurrence, implant failure, or dislocation at 19-year follow-up duration.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Dislocation of the prosthetic hip can be a challenging postoperative complication, particularly when associated with a tumor megaprosthesis in a pediatric age group. This is further compounded in the presence of deficient pelvic bone stock. Restoration of bone stock is optimal, but when impossible, custom components may be necessary to establish hip stability.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.21.00171","type":"journal-article","created":{"date-parts":[[2021,11,4]],"date-time":"2021-11-04T15:00:09Z","timestamp":1636038009000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Total Hip Revision with a Custom Acetabular Component and Femoral Allograft-Prosthetic Composite as Salvage for Failed Unstable Megaprosthesis in an Adolescent Patient"],"prefix":"10.2106","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0920-7425","authenticated-orcid":false,"given":"Alexandra","family":"Phocas","sequence":"first","affiliation":[{"name":"Colorado Joint Replacement, Denver, Colorado"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6251-1928","authenticated-orcid":false,"given":"David C.","family":"Holst","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Durham, North Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7772-3579","authenticated-orcid":false,"given":"Marc R.","family":"Angerame","sequence":"additional","affiliation":[{"name":"Illinois Bone and Joint Institute, Barrington, Illinois"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5722-8394","authenticated-orcid":false,"given":"Gregory","family":"Kurkis","sequence":"additional","affiliation":[{"name":"Colorado Joint Replacement, Denver, Colorado"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1803-5629","authenticated-orcid":false,"given":"Douglas A.","family":"Dennis","sequence":"additional","affiliation":[{"name":"Colorado Joint Replacement, Denver, Colorado"},{"name":"Adjunct Professor of Bioengineering, Department of Mechanical and Materials Engineering, Denver University, Denver, Colorado"},{"name":"Department of Orthopaedics, University of Colorado School of Medicine, Aurora, Colorado"},{"name":"Department of Biomedical Engineering, University of Tennessee, Knoxville, Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2021,10]]},"reference":[{"issue":"5","key":"bib1-20240805","doi-asserted-by":"crossref","first-page":"503","DOI":"10.1634\/theoncologist.11-5-503","article-title":"Ewing's sarcoma family of tumors: current management","volume":"11","author":"Bernstein","year":"2006","journal-title":"Oncologist."},{"issue":"3","key":"bib2-20240805","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1177\/230949900801600313","article-title":"Pelvic Ewing's sarcoma: a review from Scottish Bone tumour Registry","volume":"16","author":"Bhagat","year":"2008","journal-title":"J Orthop Surg (Hong Kong)."},{"issue":"5","key":"bib3-20240805","doi-asserted-by":"crossref","first-page":"649","DOI":"10.2106\/00004623-199405000-00004","article-title":"Limb salvage compared with amputation for osteosarcoma of the distal end of the femur. A long-term oncological, functional, and quality-of-life study","volume":"76","author":"Rougraff","year":"1994","journal-title":"J Bone Joint Surg."},{"issue":"1","key":"bib4-20240805","first-page":"43","article-title":"Partial and complete internal hemipelvectomy: complications and long-term follow-up","volume":"181","author":"Apffelstaedt","year":"1995","journal-title":"J Am Coll Surg."},{"issue":"2","key":"bib5-20240805","doi-asserted-by":"crossref","first-page":"87","DOI":"10.3928\/01477447-20150204-51","article-title":"Resection and reconstruction of pelvic bone tumors","volume":"38","author":"Angelini","year":"2015","journal-title":"Orthopedics."},{"issue":"1","key":"bib6-20240805","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/S0030-5898(20)31632-1","article-title":"Pelvic resections: the Rizzoli Institute experience","volume":"22","author":"Campanacci","year":"1991","journal-title":"Orthop Clin North Am."},{"issue":"5","key":"bib7-20240805","doi-asserted-by":"crossref","first-page":"1450","DOI":"10.1007\/s11999-011-1799-9","article-title":"Alloprosthetic composite is a suitable reconstruction after periacetabular tumor resection","volume":"469","author":"Donati","year":"2011","journal-title":"Clin Orthop Relat Res."},{"issue":"10","key":"bib8-20240805","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/s00264-017-3564-5","article-title":"Surgical treatment of pelvic sarcoma in children: outcomes for twenty-six patients","volume":"41","author":"Kadhim","year":"2017","journal-title":"Int Orthop."},{"key":"bib9-20240805","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1097\/01.blo.0000229332.91158.05","article-title":"Endoprosthetic reconstruction for neoplasms of the proximal femur","volume":"450","author":"Menendez","year":"2006","journal-title":"Clin Orthop Relat Res."},{"issue":"4","key":"bib10-20240805","doi-asserted-by":"crossref","first-page":"785","DOI":"10.2106\/JBJS.F.01182","article-title":"Replacement of the hip in children with a tumor in the proximal part of the femur","volume":"90","author":"van Kampen","year":"2008","journal-title":"J Bone Joint Surg Am."},{"issue":"5","key":"bib11-20240805","doi-asserted-by":"crossref","first-page":"1036","DOI":"10.2106\/00004623-200705000-00016","article-title":"Proximal femoral replacement in patients with non-neoplastic conditions","volume":"89","author":"Parvizi","year":"2007","journal-title":"J Bone Joint Surg."},{"issue":"3","key":"bib12-20240805","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1302\/0301-620X.77B3.7744913","article-title":"Long-term results of proximal femoral replacement for non-neoplastic disorders","volume":"77","author":"Malkani","year":"1995","journal-title":"J Bone Joint Surg Br."},{"issue":"8","key":"bib13-20240805","doi-asserted-by":"crossref","first-page":"1677","DOI":"10.1007\/s00264-014-2376-0","article-title":"Incidence and management of hip dislocation in tumour patients with a modular prosthesis of the proximal femur","volume":"38","author":"Puchner","year":"2014","journal-title":"Int Orthopaedics."},{"issue":"6","key":"bib14-20240805","doi-asserted-by":"crossref","first-page":"537","DOI":"10.2106\/JBJS.I.01575","article-title":"Outcome of lower-limb preservation with an expandable endoprosthesis after bone tumor resection in children","volume":"94","author":"Henderson","year":"2012","journal-title":"J Bone Joint Surg Am."},{"issue":"1","key":"bib15-20240805","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1016\/j.ocl.2005.08.008","article-title":"The use of prostheses in skeletally immature patients","volume":"37","author":"Abudu","year":"2006","journal-title":"Orthop Clin NA."},{"issue":"5","key":"bib16-20240805","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1007\/s11832-010-0270-x","article-title":"Expandable endoprosthesis for limb-sparing surgery in children: long-term results","volume":"4","author":"Dotan","year":"2010","journal-title":"J Child Orthop."},{"issue":"4","key":"bib17-20240805","doi-asserted-by":"crossref","first-page":"1141","DOI":"10.1007\/s11999-010-1669-x","article-title":"Risk factors for revision of hip arthroplasties in patients younger than 30 years","volume":"469","author":"Girard","year":"2011","journal-title":"Clin Orthop Relat Res."},{"issue":"5","key":"bib18-20240805","doi-asserted-by":"crossref","first-page":"1518","DOI":"10.1007\/s11999-013-3377-9","article-title":"What is the prognosis of revision total hip arthroplasty in patients 55 years and younger?","volume":"472","author":"Adelani","year":"2014","journal-title":"Clin Orthop Relat Res."},{"issue":"3","key":"bib19-20240805","first-page":"157","article-title":"Long term outcomes of total hip arthroplasty in young patients under 30","volume":"2","author":"Pakos","year":"2014","journal-title":"Arch Bone Joint Surg."},{"issue":"8","key":"bib20-20240805","doi-asserted-by":"crossref","first-page":"2325","DOI":"10.1007\/s11999-012-2398-0","article-title":"Case report: high chromium and cobalt levels in a pregnant patient with bilateral metal-on-metal hip arthroplasties","volume":"470","author":"Fritzsche","year":"2012","journal-title":"Clin Orthop Relat Res."},{"issue":"suppl 1)","key":"bib21-20240805","first-page":"109","article-title":"Metal-on-metal hip implants and pregnancy: Are MOM implants good for mom? A systematic review","volume":"102-B","author":"Samuel","year":"2020","journal-title":"Orthopaedic Proc."},{"issue":"8","key":"bib22-20240805","doi-asserted-by":"crossref","first-page":"837","DOI":"10.3109\/15563650.2014.944977","article-title":"Systemic toxicity related to metal hip prostheses","volume":"52","author":"Bradberry","year":"2014","journal-title":"Clin Toxicol (Phila)."}],"container-title":["JBJS Case Connector"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.2106\/JBJS.CC.21.00171","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T13:43:32Z","timestamp":1787751812000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.2106\/JBJS.CC.21.00171"}},"subtitle":["A Case Report at 19-Year Follow-up Duration"],"short-title":[],"issued":{"date-parts":[[2021,10]]},"references-count":22,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2021]]}},"URL":"https:\/\/doi.org\/10.2106\/jbjs.cc.21.00171","relation":{},"ISSN":["2160-3251"],"issn-type":[{"value":"2160-3251","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,10]]}}}