Clinical Study of Early Gastric Cancer Patients who Underwent Surgical Operation after Endoscopic Mucosal Resection (EMR): A Report by the Committee of Endoscopic Surgery Associated with Gastric Cancer Research Saburo Ohshiba 1 , Kiyoshi Ashida 1 , Masaya Tanaka 1 1The Second Department of Internal Medicine, Osaka Medical College Keyword: 内視鏡的粘膜切除(EMR) , 遺残 , 早期胃癌 , 外科切除 , 完全治癒 pp.1162-1170
Published Date 1994/10/25
DOI https://doi.org/10.11477/mf.1403105942
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 One hundred and six cases of patients with early gastric cancer who had undergone surgical operation after endoscopic mucosal resection (EMR) were collected by the committee of endoscopic surgery associated with gastric cancer research. mainly, the difference between assessment of EMR specimens and surgical specimens was examined. With regard to mucosal cancer, cancer cells weren't found in surgical specimens in cases of negative mucosal cutting edge. In cases of positive mucosal cutting edge, cancer cells were found in 75% 0f them, but were not seen in 25% of them because of the burning effect of high-frequency waves. On the one hand, with regard to submucosal cancer, cancer cells were not found in surgical specimens in some case of positive submucosal cutting edge because of the burning effect. On the other hand, this burning effect couldn't be expected to cure the cancers completely because cancer cells remain after positive mucosal cutting edge. Remains of cancer cells were found in cases of piecemeal resection or re-resection. Invasion of lymphatic vessels and blood vessels was found in some cases of submucosal cancers when lymph node metastasis and invasion of lymphatic vessels and blood vessels were negative in cases of mucosal cancer.

 In conclusion through resected specimens, we were able to judge single EMR as curative in cases of mucosal cancer and negative cutting edge.

Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.


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