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Japanese

Dye Scattering Method in Endoscopy for Diagnosing Early Gastric Cancer Y. Hashimoto 1 , S. Takeda 1 , Y. Kohli 1 , K. Ida 2 , K. Kawai 3 13rd. Dept. of Internal Medicine, Kyoto Prefectural University of Medicine 2Dept. of Internal Medicine, Gifu Dental University 3Dept. of Preventive Medicine, Kyoto Prefectural University of Medicine pp.1157-1165
Published Date 1975/9/25
DOI https://doi.org/10.11477/mf.1403112286
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 A survey is made of endoscopic dye scattering method and vital staining method both effective for the diagnosis of early gastric cancer. Dye scattering method with indigo-carmine enables one to clearly observe fine unevenness of the gastric mucosa and to detect abnormal findings of a cancerous lesion. In the case of depressed type of early cancer, interpretation of abnormal findings becomes especially easier not only in delineating the canerous margins, but also in observing abnormal redness and abnormal granules of the mucosal surface. More accurate determination of the circumference of cancerous lesion or of the depth of cancerous invasion becomes thus possible.

 Vital staining method with methylene blue shows that the intestinal metaplasia of the gastric mucosa has stainability, while the area of cancer lesions is generally hard to stain. Difference in dyeing in this method can be applied not only to diagnosis of gastric cancer but also to the determination of the borders of cancer infiltration.

 By endoscopic dye scattering method it become possible to discriminate minutely the nature of non-cancerous mucosa around a lesion. A picture obtained by indigo-carmine scattering procedure would indicate in what glandular area a cancerous lesion is located. In vital staining method with methylene blue it become easier to recognize an intestinal metaplasia around the cancerous mucosa, and to determine its forms and distributions. Determination of the margins of cancer infiltration is made easier by it along with that of depth infiltration inferred by the histologic type of a cancer lesion. This method can be a powerful weapon in the diagnosis of Ⅱb type of early gastric cancer that would be often overlooked by an usnal endoscopy.

 Dye scattering method is thus in a position of precise endoscopic examination supplementing the usual endoscopy.


Copyright © 1975, 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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