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Her CA-125 was normal. She underwent an exploratory laparotomy with pelvic mass excision. A diagnosis of a gastrointestinal stromal tumour (GIST) arising from the ileum was made on a histopathology study.<\/jats:p>","DOI":"10.1136\/bcr-2023-256244","type":"journal-article","created":{"date-parts":[[2023,11,30]],"date-time":"2023-11-30T09:15:14Z","timestamp":1701335714000},"page":"e256244","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Gastrointestinal stromal tumour: presenting as an ovarian cystadenoma"],"prefix":"10.1136","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7023-3000","authenticated-orcid":false,"given":"Sneha","family":"Jawalkar","sequence":"first","affiliation":[{"name":"Pathology, BLDE(Deemed to be University) Shri B M Patil Medical college, Hospital and Research centre, Vijayapura, Karnataka, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rachana","family":"Karajagi","sequence":"additional","affiliation":[{"name":"Pathology, BLDE(Deemed to be University) Shri B M Patil Medical college, Hospital and Research centre, Vijayapura, Karnataka, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1185-7021","authenticated-orcid":false,"given":"Surekha Ulhas","family":"Arakeri","sequence":"additional","affiliation":[{"name":"Pathology, BLDE(Deemed to be University) Shri B M Patil Medical college, Hospital and Research centre, Vijayapura, Karnataka, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,11,30]]},"reference":[{"key":"2025082801204999000_16.11.e256244.1","doi-asserted-by":"crossref","first-page":"667","DOI":"10.1159\/000518019","article-title":"Unusual presentation of a gastrointestinal stromal tumor in a small intestine diverticulum","volume":"15","author":"Senti","year":"2021","journal-title":"Case Rep Gastroenterol"},{"key":"2025082801204999000_16.11.e256244.2","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/s43055-020-00297-w","article-title":"An unusual presentation of an extragastrointestinal stromal tumor: a case report","volume":"51","author":"Oliveira Santos","year":"2020","journal-title":"Egypt J Radiol Nucl Med"},{"key":"2025082801204999000_16.11.e256244.3","doi-asserted-by":"crossref","first-page":"23","DOI":"10.4137\/CPath.S9689","article-title":"Pathology of gastrointestinal stromal tumors","volume":"5","author":"Foo","year":"2012","journal-title":"Clin Med Insights Pathol"},{"key":"2025082801204999000_16.11.e256244.4","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.gore.2018.04.006","article-title":"Extragastrointestinal stromal tumors of the pelvic cavity and the vagina: two case reports and review of the literature","volume":"25","author":"Hanayneh","year":"2018","journal-title":"Gynecologic Oncology Reports"},{"doi-asserted-by":"crossref","unstructured":"Catarci M , Balla A , Coppola L . Unusual presentation of small bowel GIST: diffuse omental & mesenteric sarcomatosis. J Surg Case Rep 2020. doi:10.1093\/jscr\/rjaa341","key":"2025082801204999000_16.11.e256244.5","DOI":"10.1093\/jscr\/rjaa341"},{"doi-asserted-by":"crossref","unstructured":"Neama DA , Al Araibi SJ , Alderazi AE , et al . Gastrointestinal stromal tumor recurrence presenting as a small bowel obstruction: a case report. 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