Japanese

Ⅱc+Ⅱa Type Early Rectal Cancer, Report of a Case Masaaki Matsukawa 1 , Yoshiki Usui 1 , Shigeo Kobayashi 1 1Department of Internal Medicine, Juntendo University, School of Medicine pp.671-676
Published Date 1985/6/25
DOI https://doi.org/10.11477/mf.1403109911
  • Abstract
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 Most of early colorectal cancer cases reported were of the protruded types, and the depressed types have been reported rarely. Our case was demonstrated by radiography as a protruded rectal lesion that transformed into Ⅱc+Ⅱa type early rectal cancer. The patients was a 61-year-old man without a chief complaint. Thirteen years before this admission, he had been operated on in order to resect an advanced cancer of the colon descendens. Thirty-seven days before this operation, a nodular lesion with a central depression was radiologically demonstrated at the rectum. Fifteen days before this, a fine granular plaque-like lesion was observed by endoscope at oral side of the lesion and easily fragile mucosa at its anal side. Three days before this, the rectal lesion consisted of one part of a shallow depression and the other of a plaque-like lesion. Some converging folds around the depressed part were seen. Close-up view of the resected specimen, a dumbbell-shaped lesion measuring 26×14mm in diameter, consisted of flattened vinous elevation and a shallow round depreslion. Histologically, the lesion disclosed infiltration of well differentiated adenocarcinoma in the submucosa without any evidence of an adenoma.


Copyright © 1985, 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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