Is Roentogenography Unnecessary in the Diagnosis of Gastric Cancer?: From the Viewpoint of Screening and Outclinic Examination Yosuke Kikuchi 1 , Tadahiko Fuchigami 1 1Institute of Gastroenterology, Matsuyama Red Cross Hospital Keyword: 早期胃癌 , 拾い上げ診断 pp.563-571
Published Date 1998/3/25
DOI https://doi.org/10.11477/mf.1403103653
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 We analysed the diagnostic process and pathological features of 430 lesions of early gastric cancers selected from 891 lesions, and compared the detection ability of roentogenography and endoscopy. The failure rate was 18.7% (53/284) in roentogenography, and 12.3% (18/146) in endoscopy, revealing no statistically significant difference. In the cases of multiple gastric cancers, the failure rate of endoscopy was higher than that of roentogenography, while in cases of single lesions, the contrary was the case. As for size, in lesions smaller than 5 mm, the failure rate of endoscopy was lower than that of roentogenography. However, for lesions between 10 mm and 5 mm there was no difference. As for site, the failure rate of roentogenograhy was higher in the upper body and the angle, and that of endoscopy was higher in the middle body. The failure rate for undifferentiated cancer was significantly lower in endoscopy. As for detection of depth and gross type of cancer, there was no difference between the two methods. We suggest that roentogenography and endoscopy are equally useful as methods of screening, and that what is most important is the effort to improve the diagnostic techniques in each method, and comprehension of the merits and demerits of each method.

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