The present situation and problem of screening for personal gastric cancer check : Aresult of screening for personal gastric cancer check in Maebashi City from 1985 to 2002

概要

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We have studied the results of the screening for gastric cancer in Maebashi City, conducted from 1985 to 2002. The number of examinees increased from year to year, and especially the number of male examinees above 50 years of age increased in the past few years. The method of direct gastric radiography available in Maebashi City was not enough to detect small cancers with slight depressions, and cancers on the anterior wall and the upper part of the stomach. The detection rate of early cancer increased through the use of high-concentration, low-viscosity barium sulfate, but a modification of the direct gastric radiography method was needed in order to improve detection of cancers on the anterior wall and the upper part of the stomach. The required rate of detailed examination had to be lowered through agreement among committee members engaging in the reading of x-ray images regarding standardized criteria for image interpretation. The new direct gastric radiography method using high-concentration, low-viscosity barium sulfate is must to improve the effectiveness and efficiency of screening for gastric cancer in Maebashi City.