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Adenocarcinoma of the Sigmoid Colon Arising in Endometriosis, Report of a Case Tohru Kotera 1 , Maki Ishihara 1 , Kohaku Ko 1 , Kazuhiko Mizuta 1 , Tetsuji Suyama 1 1Department of Gastroenterology, Shiga Medical Center for Adults Keyword: 腸管子宮内膜症 , 大腸癌 pp.1385-1389
Published Date 1998/9/25
DOI https://doi.org/10.11477/mf.1403103828
  • Abstract
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 A very rare case of sigmoid colon cancer arising in endometriosis is presented. A 52-year-old female patient who had undergone bilateral salpingo-oophorectomy with hysterectomy for endometriosis at 46 years of age was admitted to our hospital due to lower abdominal pain. Barium enema study revealed obstruction in the sigmoid colon. Anterior resection of the recto-sigmoid colon was performed.

 A firm tumor with dense induration on the outer wall and ulceration on the inner lumen was observed in the resected specimen. Histopathological examination showed ectopic endometrial glands and tubular adenocarcinoma with subserosal invasion. The histological similarity with common colorectal cancer and the absence of direct continuity with endometrial glands supported the diagnosis of sigmoid colon cancer arising in endometriosis.


Copyright © 1998, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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