E.N. Valdes-Peregrina , M. Hernández-González , O. de León-Pacheco , S. Mendoza-Ramírez
{"title":"Extra-gastrointestinal stromal tumour. Report of primary tumour in the omentum","authors":"E.N. Valdes-Peregrina , M. Hernández-González , O. de León-Pacheco , S. Mendoza-Ramírez","doi":"10.1016/j.hgmx.2016.12.002","DOIUrl":null,"url":null,"abstract":"<div><p>Gastrointestinal stromal tumours (GISTs) are the most common mesenchymal tumour in the gastrointestinal tract. More than half of these originate in the stomach, the rest in the small intestine, colon, rectum and oesophagus, and rarely in the omentum.</p></div><div><h3>Case report</h3><p>A 48-year-old woman, with painful abdominal growth developing over two years. Radiological studies showed a heterogeneous solid lesion in the pelvis, so she underwent surgery and the omentum was resected, no evidence of a tumour was found in the gastrointestinal tract. The omentum measured 50<!--> <!-->cm<!--> <!-->×<!--> <!-->30<!--> <!-->cm<!--> <!-->×<!--> <!-->15<!--> <!-->cm. Its surface was heterogeneous and showed multiple nodules of varying sizes. A microscopically diffuse pattern of spindle cells was observed, some of them epithelioid, with three mitoses in 50 high-power fields. The immunohistochemical study is positive for CD117 and DOG-1.</p><p>E-GIST should be considered for the differential diagnosis of patients with multinodular lesions in the omentum and mesentery.</p></div>","PeriodicalId":31559,"journal":{"name":"Revista Medica del Hospital General de Mexico","volume":"81 4","pages":"Pages 221-225"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.hgmx.2016.12.002","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revista Medica del Hospital General de Mexico","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S018510631730001X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2017/1/19 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Gastrointestinal stromal tumours (GISTs) are the most common mesenchymal tumour in the gastrointestinal tract. More than half of these originate in the stomach, the rest in the small intestine, colon, rectum and oesophagus, and rarely in the omentum.
Case report
A 48-year-old woman, with painful abdominal growth developing over two years. Radiological studies showed a heterogeneous solid lesion in the pelvis, so she underwent surgery and the omentum was resected, no evidence of a tumour was found in the gastrointestinal tract. The omentum measured 50 cm × 30 cm × 15 cm. Its surface was heterogeneous and showed multiple nodules of varying sizes. A microscopically diffuse pattern of spindle cells was observed, some of them epithelioid, with three mitoses in 50 high-power fields. The immunohistochemical study is positive for CD117 and DOG-1.
E-GIST should be considered for the differential diagnosis of patients with multinodular lesions in the omentum and mesentery.
期刊介绍：
The Medical Journal of the Hospital General de Mexico is the official organ of the Medical Society of the Hospital General de Mexico. The journal accepts articles in Spanish or in English on the field of hospital medicine. The journal publishes original articles, clinical cases, reviews articles, history notes, issues on medical education, short communications and editorials at the invitation of the Society. All articles are double blind peer reviewed by at least 2 reviewers and finally classified as accepted or rejected by the Editorial Board.
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