Japanese

Thirty-seven Cases of Villous Adenoma of the Large Bowel T. Sasaki 1 1Department of Internal Medicine, Cancer Institute Hospital pp.1151-1160
Published Date 1982/10/25
DOI https://doi.org/10.11477/mf.1403108761
  • Abstract
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 Thirty-seven cases of villous adenoma which were examined and histo-pathologically diagnosed at Cancer Institute Hospital during the period of 26 years from January 1955 to December 1980 were studied.

 They were classified into typical and atypical villous adenoma according to their macroscopic and radiologic findings. Radiologically typical villous adenoma was revealed as a cluster of granular elevations of the same size. Its margin was clearly discernible in some cases, but in other cases it was not. Added to this, there were cases with a cluster of elevations of various sizes' whose margin was comparatively clear.

 Endoscopic examination by dye scattering method clearly revealed the margin of the lesions resulting in an effective observation of the granular elevations.

 Of the 37 cases of villous adenoma, 33 cases, or 89.2%, were cancerous. The breakdown of this figure showed 29 carcinoma in villous adenoma and four invasive carcinoma. The result suggests that once the lesion is diagnosed as villous adenoma, clinically all the cases should be treated as malignant.

 Surgical operation is the basic treatment for villous adenoma. Polypectomy is applicable only when the lesion is small enough for a total resection, or it is pedunculated villous adenoma.


Copyright © 1982, 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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