{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T07:45:02Z","timestamp":1777880702861,"version":"3.51.4"},"reference-count":16,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2013,12,1]],"date-time":"2013-12-01T00:00:00Z","timestamp":1385856000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Orthop Surg (Hong Kong)"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose.<\/jats:title>\n                    <jats:p>To propose a novel method to measure the neck shaft angle and anteversion of the femur using anteroposterior and 45\u00b0 oblique radiographs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods.<\/jats:title>\n                    <jats:p>Three human subjects were used to verify the 45\u00b0 oblique method. The true neck shaft angle and anteversion of the femur were determined using computed tomography. The true values were compared with the values derived by the 45\u00b0 oblique method after correcting the distortion using a formula.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results.<\/jats:title>\n                    <jats:p>With the true values based on computed tomography as references, the neck shaft angle and anteversion of the 3 subjects deviated +0.82\u00b0 to +4.66\u00b0 and \u22122.14\u00b0 to +2.55\u00b0 in lateral 45\u00b0 oblique radiographs, respectively, whereas the corresponding values in medial 45\u00b0 oblique radiographs were +0.98\u00b0 to +5.93\u00b0 and \u221210.09\u00b0 to +1.58\u00b0. The lateral 45\u00b0 oblique method resulted in smaller range of deviation and were more accurate.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion.<\/jats:title>\n                    <jats:p>This 45\u00b0 oblique method is useful in surgical planning, especially for femoral derotational osteotomy in children. This new method enables easy calculation of the true neck shaft angle and anteversion, with low radiation exposure.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/230949901302100316","type":"journal-article","created":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T17:13:55Z","timestamp":1475601235000},"page":"340-346","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["A 45-Degree Radiographic Method for Measuring the Neck Shaft Angle and Anteversion of the Femur: A Pilot Study"],"prefix":"10.1177","volume":"21","author":[{"given":"Pock Chin","family":"Teo","sequence":"first","affiliation":[{"name":"Orthopedic Department, Sultanah Aminah Hospital, Johor Bahru, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abdul Yazid","family":"Mohd Kassim","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Traumatology, Universiti Kebangsaan Malaysia Medical Center, Kuala Lumpur, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K","family":"Thevarajan","sequence":"additional","affiliation":[{"name":"Orthopedic Department, Sultanah Aminah Hospital, Johor Bahru, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2013,12,1]]},"reference":[{"key":"bibr1-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199912000-00014"},{"key":"bibr2-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198668070-00006"},{"key":"bibr3-230949901302100316","first-page":"155","volume":"6","author":"Srimathi T","year":"2012","journal-title":"J Clin Diagn Res"},{"key":"bibr4-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-195941030-00006"},{"key":"bibr5-230949901302100316","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-008-0473-3"},{"key":"bibr6-230949901302100316","doi-asserted-by":"publisher","DOI":"10.1097\/01241398-200011000-00007"},{"key":"bibr7-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-197961060-00007"},{"key":"bibr8-230949901302100316","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.34B2.181"},{"key":"bibr9-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-197961010-00009"},{"key":"bibr10-230949901302100316","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1590\/S1413-78522005000400003","volume":"13","author":"de Tavares Canto RS","year":"2005","journal-title":"Acta Ortop Bras"},{"key":"bibr11-230949901302100316","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.64B4.7096425"},{"key":"bibr12-230949901302100316","first-page":"119","volume":"155","author":"Upadhyay SS","year":"1987","journal-title":"J Anat"},{"key":"bibr13-230949901302100316","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.71B2.2647753"},{"key":"bibr14-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198769060-00012"},{"key":"bibr15-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198769080-00010"},{"key":"bibr16-230949901302100316","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.09.3702"}],"container-title":["Journal of Orthopaedic Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/230949901302100316","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/230949901302100316","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:19:34Z","timestamp":1777594774000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/230949901302100316"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,12]]},"references-count":16,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2013,12]]}},"alternative-id":["10.1177\/230949901302100316"],"URL":"https:\/\/doi.org\/10.1177\/230949901302100316","relation":{},"ISSN":["1022-5536","2309-4990"],"issn-type":[{"value":"1022-5536","type":"print"},{"value":"2309-4990","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,12]]}}}