{"paper_id":"53289666-7dcd-4a12-befa-13d236a205f1","body_text":"Abstract\nA 57-year-old woman was diagnosed as having rectal cancer. A barium enema study showed the apple-core sign at the rectosigmoid colon, and colonoscopy revealed an encircled ulcerated tumor. A laparoscope-assisted resection of the rectum was planned; however, the rectal cancer directly invaded the uterus body. The operation was converted to open surgery. An elastic hard tumor suspected of being peritoneal dissemination at the peritoneal reflection was detected and excised together with the rectum below the peritoneal reflection. A histological examination of this tumor revealed that cystic glands lined by nonmucinous columnar epithelial cells were seen on the serosal side and were embedded in the proper muscle of the rectum. This tumorous lesion was diagnosed as endometriosis.\nSimilar content being viewed by others\nReferences\nAbraham SC, Burgart LJ, Odze RD. Polyps of the large intestine. In: Odze RD, Goldblum JR, Crawford JM, editors. Surgical pathology of the GI tract, liver, biliary tract, and pancreas. Philadelphia: Elsevier; 2004. p. 327–379.\nRidha JR, Cassaro S. Acute small bowel obstruction secondary to ileal endometriosis: report of a case. Surg Today 2003;33:944–947.\nKimura H, Konishi K, Yabushita K, Maeda K, Tsuji M, Miwa A. Intussusception of a mucocele of the appendix secondary to an obstruction by endometriosis: report of a case. Surg Today 1999;29:629–632.\nCooper HS. Intestinal neoplasms. In: Mills SE, Carter D, Greenson JK, Oberman HA, Reuter VE, Stoler MH, editors. Sternberg’s diagnostic surgical pathology. 4th ed. Philadelphia: Lippincott Williams & Wilkins; 2004. p. 1543–1601.\nYantiss RK, Clement PB, Young RH. Endometriosis of the intestinal tract: a study of 44 cases of a disease that may cause diverse challenges in clinical and pathologic evaluation. Am J Surg Pathol 2001;25:445–454.\nDimoulios P, Koutroubakis IE, Tzardi M, Antoniou P, Matalliotakis IM, Kouroumalis EA. A case of sigmoid endometriosis difficult to differentiate from colon cancer. BMC Gastroenterol 2003;3:18.\nChu PW, Su HY, Ko CS. Endometriosis of the colon and rectum mimicking colon cancer. Int J Gynaecol Obstet 2004;87:167–168.\nKelly P, McCluggage WG, Gardiner KR, Loughrey MB. Intestinal endometriosis morphologically mimicking colonic adenocarcinoma. Histopathology 2008;52:510–514.\nRosai J. Gastrointestinal tract. In: Rosai, editor. Rosai and Ackerman’s surgical pathology. 9th ed. Philadelphia: Elsevier; 2005. p. 615–871.\nChen KT. Endometrioid adenocarcinoma arising from colonic endometriosis mimicking primary colonic carcinoma. Int J Gynecol Pathol 2002;21:285–288.\nKawate S, Takeyoshi I, Ikota H, Numaga Y, Sunose Y, Morishita Y. Endometrioid adenocarcinoma arising from endometriosis of the mesenterium of the sigmoid colon. Jpn J Clin Oncol 2005;35:154–157.\nHan AC, Hovenden S, Rosenblum NG, Salazar H. Adenocarcinoma arising in extragonadal endometriosis: an immunohistochemical study. Cancer 1998;83:1163–1169.\nCampagnacci R, Perretta S, Guerrieri M, Paganini AM, De Sanctis A, Ciavattini A, et al. Laparoscopic colorectal resection for endometriosis. Surg Endosc 2005;19:662–674.\nDarai E, Ackerman G, Bazot M, Rouzier R, Dubernard G. Laparoscopic segmental colorectal resection for endometriosis: limits and complications. Surg Endosc 2007;21:1572–1577.\nInomata M, Yasuda K, Shiraishi N, Kitano S. Clinical evidences of laparoscopic versus open surgery for colorectal cancer. Jpn J Clin Oncol 2009;39(8):471–477.\nFleshman J, Sargent DJ, Green E, Anvari M, Stryker SJ, Beart RW Jr., et al. Laparoscopic colectomy for cancer is not inferior to open surgery based on 5-year data from the COST Study Group trial. Ann Surg 2007;246:655–662; discussion 62–4.\nMilsom JW, de Oliveira O Jr., Trencheva KI, Pandey S, Lee SW, Sonoda T. Long-term outcomes of patients undergoing curative laparoscopic surgery for mid and low rectal cancer. Dis Colon Rectum 2009;52:1215–1222.\nYamamoto S, Fujita S, Ishiguro S, Akasu T, Moriya Y. Wound infection after a laparoscopic resection for colorectal cancer. Surg Today 2008;38:618–622.\nAuthor information\nAuthors and Affiliations\nRights and permissions\nAbout this article\nCite this article\nUchiyama, S., Haruyama, Y., Asada, T. et al. Rectal endometriosis masquerading as dissemination in a patient with rectal cancer: Report of a case. Surg Today 40, 672–675 (2010). https://doi.org/10.1007/s00595-009-4119-1\nReceived:\nAccepted:\nPublished:\nIssue date:\nDOI: https://doi.org/10.1007/s00595-009-4119-1","source_license":"public-domain-us","license_restricted":false}