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Small Colonic Cancer Invading the Muscularis Propriae, Report of a Case Hiroshi Ogawa 1 , Masako Kasami 1 , Hajime Watahiki 2 , Tetsuya Higuchi 2 , Yutaka Nagata 3 1Department of Pathology, Seirei Mikatabara General Hospital 2Department of Gastroenterology, Seirei Mikatabara General Hospital 3Department of Surgery, Seirei Mikatabara General Hospital Keyword: 大腸pm癌 , 小さな大腸癌 pp.1227-1231
Published Date 1993/10/25
DOI https://doi.org/10.11477/mf.1403106295
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 A 65-year-old woman was admitted for abdominal pain. Barium enema and endoscopic examinations revealed a small, flat-elevated lesion of the sigmoid colon with a central shallow ulceration. Histological diagnosis of the lesion was well differentiated adenocarcinoma. Endoscopic ultrasonographic examination (EUS) showed the small lesion invading the muscularis propriae. Sigmoidectomy was performed.

 Macroscopic examination showed a Ⅱa+Ⅱc-like lesion, 10×8 mm in size. Microscopically, well (partially moderately) differentiated adenocarcinoma invading the muscularis propriae. No adenomatous portion was found in the tumor. There was no vessel involvement and the resected lymph nodes showed no evidence of metastasis. Immunohistochemically, CEA and CA 19-9 were diffusely positive within the tumor. Positive staining of CA 15-3 was seen only in an invasive area of the tumor.


Copyright © 1993, 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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