Japanese

A Case of Poorly Differentiated Early Cecum Adenocarcinoma Sei Kurokawa 1 , Akimichi Imamura 1 , Satoshi Motoya 1 , Hiroshi Kozawa 1 , Satoshi Maeda 1 , Takeshi Hagiwara 1 , Hitoshi Nishioka 1 , Hiroki Tanaka 1 , Hajime Suzuki 1 , Yohei Terakado 1 , Masayuki Yamashita 1 , Yuhei Otoguro 1 , Atsushi Michigami 1 , Shunji Muraoka 2 , Yuko Gotouda 2 , Shin Ichihara 2 1Division of Gastroenterology, Sapporo Kosei General Hospital, Sapporo, Japan 2Division of Clinical Pathology, Sapporo Kosei General Hospital, Sapporo, Japan Keyword: 大腸低分化腺癌 , 早期癌 , 側方発育型大腸腫瘍 , 非顆粒型 , 拡大内視鏡 pp.1777-1784
Published Date 2010/10/25
DOI https://doi.org/10.11477/mf.1403102041
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 A 50-year-old woman visited our hospital for further examination concerning positive fecal occult blood. Colonoscopy revealed a Type LST(laterally spreading tumor, non-granular type)lesion in the cecum, measuring 13mm in the largest diameter. A part of the flat elevated area mostly appeared to be poorly differentiated adenocarcinoma. Ileocecal resection was performed. This case is a very rare case with poorly differentiated early adenocarcinoma.

 As for this example, the pseudo-depressed part of a tumor presented the histology of well differentiated adenocarcinoma, and the flat elevated parts were different from poorly differentiated adenocarcinoma. Magnifying endoscopy showed the form of small point findings in the flat elevated part and was diagnosed as poorly differentiated adenocarcinoma. In this case of early colonic poorly differentiated adenocarcinoma, magnifying endoscopic findings were reported to have been of use for both diagnosis and treatment.


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

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