隆起型胃癌の深達度診断の内視鏡的検討

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  • ENDOSCOPIC ESTIMATION OF INVADING DEPTH IN PROTRUDING TYPE OF GASTRIC CARCINOMA

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Depth diagnosis of gastric cancer is of importance, since it directly relates to the prog-nosis. This paper is to report our study in this regard in protruding types of gastric cancer, mainly by means of endoscopy. For the past 13 years, 690 resections were carried out for gastric cancers consisting of 510 advanced and 180 early cancers. Of which 14 lesions were Borrmann I (Borr. 1) and 53 were early cancers of protruding types, all protruding types totalling 67 lesions which were analysed in this study. Protruding types tended to be found in the aged male averaging 60 years. Histologically, most of them were of well differentiated types even in Borr. I cases, but undifferentiated types were also encountered. The sizes of the bases of I and ha averaged 7.7 and 6.2 cm2 respectively in m lesions, whereas they were 28.8 and 33.7 cm2 in sm cases. In Borr. I cases, the sizes averaged 42.3 cm2 The sizes of the lesions thus showed a close correlation to the depth of invasion. Supposing the bases of lesions were round in shape, the diameters could be calculated as 3 cm in m cases of I and ha, 6 cm in sm and 7 cm in Borr. I. The marginal lines in front view of the lesions were somewhat irregular in sm lesions compared with m. It was also noted that the surface of sm lesions showed more irregularity with frequent depressions on top attached with white exsudative fur. These findings were more remarkable in Borr. I.

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