KMID : 1188320210150030329
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Gut and Liver 2021 Volume.15 No. 3 p.329 ~ p.337
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Image-Enhanced Endoscopy and Its Corresponding Histopathology in the Stomach
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Doyama Hisashi
Nakanishi Hiroyoshi Yao Kenshi
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Abstract
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In recent years, the technological innovation and progress of endoscopic equipment have been remarkable, and various endoscopic observation techniques have been developed. Among them, representative techniques are magnified observation and narrow-band imaging. Magnifying endoscopy with narrow-band imaging (M-NBI) can visualize superficial microanatomies in the stomach. The normal morphology of the microanatomy visualized using M-NBI differs according to the part of the stomach. The vessel plus surface (VS) classification system has been developed as a diagnostic criterion for early gastric cancer using M-NBI, and its usefulness has been proven. Based on the VS classification system, a magnifying endoscopy simple diagnostic algorithm for early gastric cancer (MESDA-G), a simplified algorithm used for early gastric cancer diagnosis, was created. We aimed to describe the anatomic structure of the stomach that can be viewed using M-NBI and outline the principles and clinical application of the VS classification system and MESDA-G.
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KEYWORD
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Early gastric cancer, Endoscopy, Narrow band imaging, Magnifying endoscopy
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