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Our aim is to highlight the potential risk of stress fractures amongst transsexual patients receiving cross sex hormones as part of gender reassignment. The patient presented with groin pain after competing in a running event. Despite a number of risk factors, there was a delay in diagnosis, which could have led to complications compromising outcome. Femoral neck stress fractures should be considered in the differential diagnosis of transsexual patients receiving hormone treatment with non-specific groin\/thigh pain following exercise.<\/jats:p>","DOI":"10.1136\/bcr-2015-214110","type":"journal-article","created":{"date-parts":[[2016,3,31]],"date-time":"2016-03-31T14:28:54Z","timestamp":1459434534000},"page":"bcr2015214110","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["A curious case of stress fracture in a transsexual athlete"],"prefix":"10.1136","volume":"2016","author":[{"given":"Tom","family":"Richardson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Grant","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Prakash","family":"Chandran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2016,3,31]]},"reference":[{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.1","doi-asserted-by":"publisher","DOI":"10.1007\/s00256-002-0485-0"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ocl.2006.09.005"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.3","doi-asserted-by":"publisher","DOI":"10.1186\/1758-2555-2-6"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.4","first-page":"1031","article-title":"Stress facture: epidemiology, physiopathology and risk factors","volume":"86","author":"Ben Chihaoui","year":"2008","journal-title":"Tunis Med"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.5","doi-asserted-by":"publisher","DOI":"10.1097\/RMR.0b013e3180421c8c"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.6","doi-asserted-by":"publisher","DOI":"10.1007\/s00774-011-0342-0"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.7","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2265.1998.00396.x"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.8","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2007-1809"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.9","doi-asserted-by":"publisher","DOI":"10.1007\/s00198-004-1754-7"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.10","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2265.2004.02125.x"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.11","doi-asserted-by":"publisher","DOI":"10.1159\/000184765"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.12","doi-asserted-by":"publisher","DOI":"10.1007\/BF01674805"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.13","doi-asserted-by":"publisher","DOI":"10.1159\/000191331"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.14","doi-asserted-by":"publisher","DOI":"10.1038\/nm1096-1132"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.15","doi-asserted-by":"publisher","DOI":"10.1210\/er.23.3.279"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.16","doi-asserted-by":"publisher","DOI":"10.1172\/JCI117995"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.17","doi-asserted-by":"publisher","DOI":"10.1172\/JCI10942"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.18","doi-asserted-by":"publisher","DOI":"10.1210\/er.21.2.115"},{"issue":"Suppl 1","key":"2025042703051262000_2016.mar31_3.bcr2015214110.19","first-page":"S159","article-title":"Gender-independent induction of murine osteoclast apoptosis in vitro by either estrogens or non-aromatizable androgens","volume":"16","author":"Chen","year":"2001","journal-title":"J Bone Miner Res"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.20","doi-asserted-by":"publisher","DOI":"10.1210\/endo-124-3-1576"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.21","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1136\/jrnms-98-27","article-title":"Delay in diagnosis of neck of femur stress fracture in a female military recruit","volume":"98","author":"Thomas","year":"2012","journal-title":"J Royal Naval Medical Service"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.22","doi-asserted-by":"publisher","DOI":"10.3122\/jabfm.16.2.170"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.23","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.36.4.308"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.24","doi-asserted-by":"crossref","first-page":"605","DOI":"10.1007\/s00330-002-1562-4","article-title":"Fatigue stress injuries of the pelvic bones and proximal femur: evaluation with MR imaging","volume":"13","author":"Kiuru","year":"2003","journal-title":"Eur Radiol"},{"key":"2025042703051262000_2016.mar31_3.bcr2015214110.25","doi-asserted-by":"crossref","first-page":"439","DOI":"10.1302\/0301-620X.68B3.3733811","article-title":"Recurrent stress fractures in military recruits. 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