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Among the small number of cases of uterine metastases of extra-pelvic primary cancers reported in the literature, those from lung cancers are very rare. Concerning features for an atypical fibroid included the patient\u2019s age and postmenopausal status, as well as positron emission tomography and MRI findings. A metastatic secondary cancer was not suspected. Diagnosis was only made after histopathological examination. This case represents a very unusual cause of a uterine mass. It demonstrates the importance of thorough preoperative work-up and accurate histopathological assessment.<\/jats:p>","DOI":"10.1136\/bcr-2019-232487","type":"journal-article","created":{"date-parts":[[2019,12,9]],"date-time":"2019-12-09T04:46:11Z","timestamp":1575866771000},"page":"e232487","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Isolated uterine metastasis from a lung adenocarcinoma"],"prefix":"10.1136","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7002-1649","authenticated-orcid":false,"given":"Benita","family":"Knox","sequence":"first","affiliation":[{"name":"Gynaecology, Royal Women's Hospital, Parkville, Victoria, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3420-6472","authenticated-orcid":false,"given":"Andrew","family":"Dobrotwir","sequence":"additional","affiliation":[{"name":"Radiology, Royal Women's Hospital, Parkville, Victoria, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alex","family":"Ades","sequence":"additional","affiliation":[{"name":"Gynaecology, Royal Women's Hospital, Parkville, Victoria, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2019,12,8]]},"reference":[{"key":"2025082800324514000_12.12.e232487.1","first-page":"697","article-title":"Treatment of abnormal uterine bleeding with the gynecologic resectoscope","volume":"36","author":"Serden","year":"1991","journal-title":"J Reprod Med"},{"key":"2025082800324514000_12.12.e232487.2","doi-asserted-by":"publisher","DOI":"10.1016\/S0015-0282(16)45789-4"},{"key":"2025082800324514000_12.12.e232487.3","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2003.99"},{"key":"2025082800324514000_12.12.e232487.4","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.14.13946"},{"key":"2025082800324514000_12.12.e232487.5","doi-asserted-by":"crossref","first-page":"191","DOI":"10.3802\/jgo.2010.21.3.191","article-title":"Uterine metastases in ovarian carcinoma: frequency and survival in women who underwent hysterectomy","volume":"21","author":"Menczer","year":"2010","journal-title":"J Gynecol Oncol"},{"key":"2025082800324514000_12.12.e232487.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.ygyno.2009.09.023"},{"key":"2025082800324514000_12.12.e232487.7","doi-asserted-by":"publisher","DOI":"10.1111\/j.1525-1438.2007.01025.x"},{"key":"2025082800324514000_12.12.e232487.8","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1576\/toag.9.2.088.27309","article-title":"Uterine leiomyosarcomas: a review of the diagnostic and therapeutic pitfalls","volume":"9","author":"Harry","year":"2007","journal-title":"Obstet Gynaecol"},{"key":"2025082800324514000_12.12.e232487.9","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19821115)50:10<2163::AID-CNCR2820501032>3.0.CO;2-F"},{"key":"2025082800324514000_12.12.e232487.10","doi-asserted-by":"publisher","DOI":"10.1007\/s12149-008-0135-2"},{"key":"2025082800324514000_12.12.e232487.11","doi-asserted-by":"publisher","DOI":"10.1007\/s12149-008-0184-6"},{"key":"2025082800324514000_12.12.e232487.12","doi-asserted-by":"crossref","unstructured":"K-C H , Dean Fang Y-H , Lin G , et al . 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