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Right-sided Early Colon Cancer in a 28-year-old Woman of a HNPCC (Hereditary Nonpolyposis Colorectal Cancer) Family, Report of a Case Atsushi Kamata 1 , Mitsuro Chiba 1 , Osamu Masamune 1 , Michiko Miyaki 2 1The First Department of Internal Medicine, Akita University School of Medicine 2Department of Biochemistry, Tokyo Metropolitan Institute of Medical Science Keyword: HNPCC , 若年発症大腸癌 , マイクロサテライト複製異常 , hMSH2遺伝子異常 pp.879-883
Published Date 1996/6/25
DOI https://doi.org/10.11477/mf.1403104172
  • Abstract
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 We report a case of early colon cancer in a young member of a HNPCC family. In 1992, a 28-year-old woman, without symptoms visited our hospital for examination of the large intestine. A double contrast barium enema showed a tumor, measuring 42 × 33 mm in size in the ascending colon. She underwent hemicolectomy. Microscopic examination revealed well differentiated adenocarcinoma with submucosal infiltration. The genetic examination of the tumor showed: 1) DNA replication errors of microsatellites and the mutation of the hMSH2 gene which had recently been found to be characteristic in the HNPCC, and 2) the deletion of the 1p gene and the mutation of the p53 gene.


Copyright © 1996, 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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