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Endoscopic Mucosal Resection for Esophago-Gastric Junctional Cancer Tsuneo Oyama 1 , Yoshinori Miyata 1 , Akihisa Tomori 1 , Kin-ichi Hotta 1 , Shigeki Shimaya 1 1Department of Gastroenterology, Saku Central Hospital Keyword: esophago-cardiac junctional cancer , EMR pp.683-688
Published Date 2001/4/25
DOI https://doi.org/10.11477/mf.1403103214

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  • Abstract
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 Endoscopic mucosal resection (EMR) for esophagogastric junctional cancer is difficult, because the lumen of the esophago-gastric junction is narrow.

 The strip biopsy method needs to use a two channel scope, but the flexibility and usage of a two channel scope is not so good compared with a single channel scope. So the strip biopsy method is difficult for EMR of junctional cancer.

 If the lesion is accompanied with sliding hernia, U turned or J turned observation is easy and closed observation is possible. So, EMR of a junctional cancer is easy with the EMRC method. But, if the lesion is not accompanied with sliding hernia, closed observation is difficult and EMR using the EMRC method can not be used.

 Endoscopic observation of a cardiac part of a junctional cancer is difficult, because the esophago-gastric junction is narrow. But, the anal part of the junctional lesion moved to the esophageal side when air was removed from the esophageal lumen. So EMR with the EMRC method can be easily performed in this situation.

 Using the ERHSE method, it is difficult to resect the junctional lesion, because the lumen is very narrow and snaring is not possible. But, the new EMR method, hooking EMR, is useful for esophago-gastric junctional cancer. Firstly, we placed marks around the lesion using a coagulation needle. Then, saline diluted epinephrine solution was injected into the submucosal layer to separate the mucosal lesion from the propermuscular layer. Then, we cut the mucosa arround the cancer using a needle knife. Next, we cut the submucosal fibers using a hooking knife and removed the cancer without using a snare.

 EMR of esophago-gastric junctional cancer is difficult compared to that of the gastric cancer, but, it was possible to select an adequate EMR method.


Copyright © 2001, 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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