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Japanese

A New Approach to Radiologic Examination of Rectum and Sigmoid Colon: Direct Balloon Compression Method S. Abe 1 , K. Ushio 2 , M. Sasagawa 2 , T. Yamada 2 , H. Ichikawa 3 1Department of Gastroenterology, School of Medicine, Juntendo University 2Department of Diagnostic Radiology, National Cancer Center Hospital 3Director of National Cancer Center Hospital pp.353-360
Published Date 1981/3/25
DOI https://doi.org/10.11477/mf.1403107991
  • Abstract
  • Look Inside

 Most of early cancers in the large bowel are usually polypoid types macroscopically. Recently, very small polypoid lesions in the large bowel can be detected rather easily with double contrast radiography. This technique, however, is not always successful in demonstrating detailed features of the polypoid lesion, especially in its central depression which is an important finding in making the diagnosis of cancer. In addition, it is almost impossible to employ the compression radiography in cases located at the rectum and sigmoid colon where most of cancer of the colon occur. Therefore, a new technique,“direct balloon compression method”, was developed and its usefulness to demonstrate detailed features of polypoid lesions was studied.

 Whenever the polypoid lesions at the rectum and sigmoid colon were detected with double contrast examination, a balloon-catheter was inserted from the anus up to the region of the bowel where the polypoid lesions were found. After infusing 100~200ml of barium meal through the catheter, a balloon attached to the top of the catheter was inflated with air. The bowel where the polypoid lesion is located was then distended by the expanding balloon, which removed the excess barium and demonstrated detailed features of the polypoid lesion as an image of compression radiograph.

 This method has been tried in various types of polypoid lesions including early cancers as well as Borrmann 2 type of advanced cancers. 23 lesions in the rectum and eight in the sigmoid colon were examined.

 From the observation of these lesions, it was found that not only the central depressions of polypoid lesions but also their detailed features were demonstrated clearly with this “direct balloon compression method”. In conclusion, it shows that this new technique is applicable clinically, particularly for differential diagnosis of polypoid lesions which are located at the rectum and the sigmoid colon.


Copyright © 1981, 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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