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Comparison of Gastric Cancer Cases between Those Discovered in Gastric Mass Survey and in Out-Patient Clinic and Their Prognoses M. Yamaguchi 1 , S. Koshi 1 1National Institute of Industrial Health, Kanagawa Pref pp.751-758
Published Date 1971/5/10
DOI https://doi.org/10.11477/mf.1403111654
  • Abstract
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 Patients of gastric cancer detected both at the gastric mass survey and in the out-patient clinic have been followed up in order to clarify the significance of gastric mass survey from the viewpoint of public health. At the same time, 23,171 persons having undergone gastric mass survey at nine institutions from April 1967 to March 1968 have been investigated to find out features, if any, of mass survey examinees, in whatever way departing from those undergoing gastric examinations at the out-patient clinic.

 Of the latter group, 6,350 patients were chosen from those examined in the out-patient clinics for Internal Medicine in the afore-mentioned institutions.

 Study of questionnaires filled in by all the persons both at the gastric mass survey and out-patient clinic revealed that constituents of mass survey examinees were different from those of the hospital not only in their age groups and reasons for undergoing examination, but also in the history of previous mass survey and subjective complaints.

 Gastric mass survey was also found to deal with other strata of examinees qualitatively different from those at the hospital, besides increasing the number of potential patients at the out-patient clinic.

 Gastric diseases, including ulcer, polyp and carcinoma, were as often seen among those in need of thorough check-up subsequently to mass survey as among the group of the out-patient clinic. On the other hand, gastric cancer in its early stage was seen in a relatively higher rate in the former. Contraindication to surgical operation was seen naturally in fewer cases, and resectability rate, so much better.

 Depth spread of cancer in the survey group was predominantly in its earlier phase of cancer progress. The two-year survival rate after the detection of gastric cancer was 95 per cent in the grades Ⅰ and Ⅱ of depth invasion; 70 per cent in Ⅲ, and 35 per cent in grade Ⅳ or more. The over-all two-year survival rate in the survey group was 73 per cent, while that in the group of Out-patient clinic, 32 per cent, the prognosis being better in the former group.


Copyright © 1971, Igaku-Shoin Ltd. All rights reserved.

基本情報

電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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