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Japanese

Laparoscopy-assisted low anterior resection for 6mm well differentiated neuroendocrine carcinoma of the rectum with lymph node metastasis Masaki WAKASUGI 1 , Shigeyuki UESHIMA 1 , Yoshitomo YANAGIMOTO 1 , Koji TANAKA 1 , Hiroki AKAMATSU 1 , Toshirou NISHIDA 1 1Department of Surgery, Osaka Police Hospital Keyword: 高分化神経内分泌癌 , リンパ節転移 , 腹腔鏡下手術 pp.221-225
Published Date 2012/4/15
DOI https://doi.org/10.11477/mf.4426100768
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 We report a patient with well differentiated neuroendocrine carcinoma (WDEC) with lymph node metastasis who underwent laparoscopy-assisted low anterior resection. A 63-year-old man with submucosal tumor in the lower rectum 6 cm from the anal verge was diagnosed with a rectal WDEC by colonoscopy. Endoscopic ultrasound showed a tumor 11 mm in diameter, invading the submucosal layer. Computed tomography showed no signs of metastasis. A laparoscopy-assisted low anterior resection with lymph node dissection was performed, assuming a diagnosis of rectal WDEC. Histopathological examination of the surgical specimen revealed a WDEC, 6 mm in diameter, invading the submucosal layer of the rectum with metastatic lymph node at station 251 (Japanese Classification of Colorectal Carcinoma, 7th Edition). The patient is doing well 15 months after the surgery without any signs of recurrence. Laparoscopic surgery is considered to be a good surgical approach for this type of tumor with lymph node metastasis.


Copyright © 2012, JAPAN SOCIETY FOR ENDOSCOPIC SURGERY All rights reserved.

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電子版ISSN 2186-6643 印刷版ISSN 1344-6703 日本内視鏡外科学会

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