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Clinical Screening Method of the Upper Gastrointestinal Tract Lesions T. Yamada 1 1Department of Radiologic Diagnosis, National Cancer Center Hospital pp.11-20
Published Date 1983/1/25
DOI https://doi.org/10.11477/mf.1403109231
  • Abstract
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 Regarding routine screening methods of the upper G.I. tract, especially for screening methods for gastric lesions, we discussed an efficacy of radiological examination by comparing with that of endoscopic examination.

 Materials: Among new patients in 1981 at National Cancer Center Hospital, 183 cases, who were confirmed to have gastric cancer by both radiologic and endoscopic examinations and underwent gastrectomy, were selected. They included 97 cases of single advanced gastric cancer, 65 cases of single early gastric cancer and 21 cases of multiple gastric cancer (45 lesions). We devided these cases into two groups, namely radiologic examination preceded group and endoscopic examination preceded group. Then we compared their screening ability to pick up the gastric lesions.

 Results: Single advanced gastric cancer was picked up 100% by either radiologic examination preceded group or endoscopic examination preceded group. Single early gastric cancer was picked up 91.7% by radiologic examination preceded group and 96.6% by endoscopic examination preceded group, so there were little difference between both examinations. For the multiple gastric cancers, all cases could be picked up by either radiologic or endoscopic examination. However, it was difficult to pick up all lesions in such cases by radiologic examination and endoscopic examination in the routine screening. In either radiologic or endoscopic examination, the following examination had much advantages on detecting the lesion than the preceded examination.

 These results indicate that the endoscopic examination will not take the place of the radiologic examination as gastric screening method. Radiologic examination may have disadvantages on x-ray exposure, however it has been becoming possible to get clear x-ray picture with very low dose of x-ray exposure. In fact, the radiologic examination is a safe and noninvasive screening method and has more advantages than endoscopic examination.

 Therefore, we feel that the radiologic examination will be a more important screening tool for the upper G.I. tract from now on.


Copyright © 1983, 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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