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The body weight moment arm (BWMA) and cup height discrepancy (CHD) after primary and revisional surgery were analyzed to assess acetabulum location with plain radiography. After a median follow-up duration of 29\u00a0months (range 24\u201334), the function was evaluated with the Musculoskeletal Tumor Society (MSTS-93) score and Harris hip score (HHS). Complications were recorded by chart review.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The acetabulum locations were deemed reasonable, as evaluated by median BWMA (primary vs. revision, 10\u00a0cm vs. 10\u00a0cm) and median CHD (primary vs. revision, 10\u00a0mm vs. 8\u00a0mm). The median MSTS-93 score and HHS score were 21 (range 18\u201323) and 78 (range 75\u201382) after the revision. No short or mid-term complication was observed in the follow-up of this series.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Revision with 3D-printed custom-made hemipelvic endoprostheses benefited in reconstructing stable pelvic ring and natural bodyweight transmission for patients encountering the aseptic loosening and fracture of modular hemipelvic endoprosthesis. The revision surgery and appropriate rehabilitation program improved patients\u2019 function to a median MSTS score of 22 and pain-free ambulation. The incidence of the complications was low via this individualized workflow.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12893-021-01257-5","type":"journal-article","created":{"date-parts":[[2021,5,26]],"date-time":"2021-05-26T16:03:20Z","timestamp":1622045000000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Three-dimensional-printed custom-made hemipelvic endoprosthesis for the revision of the aseptic loosening and fracture of modular hemipelvic endoprosthesis: a pilot study"],"prefix":"10.1186","volume":"21","author":[{"given":"Jie","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Min","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minxun","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuqi","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingqi","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Luo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chongqi","family":"Tu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,5,26]]},"reference":[{"issue":"6","key":"1257_CR1","doi-asserted-by":"publisher","first-page":"731","DOI":"10.2106\/00004623-197860060-00002","volume":"60","author":"WF Enneking","year":"1978","unstructured":"Enneking WF, Dunham WK. 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