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Establishment of Pathological Indications and Criteria for Further Resection After Endoscopic Resection of Submucosally Invasive Gastric Cancer Yutaro Egashira 1 , Mototsugu Fujii 1 , Toshikatsu Nitta 1 , Hiroshi Akutagawa 1 , Go Edagawa 1 , Eiji Umegaki 2 , Kazuhide Higuchi 2 , Nobuhiko Tanigawa 3 1The First Department of Pathology, Osaka Medical College, Takatsuki, Japan 2The Second Department of Internal Medicine, Osaka Medical College, Takatsuki, Japan 3Department of General and Gastrointestinal Surgery, Osaka Medical College, Takatsuki, Japan Keyword: 胃SM癌 , リンパ節転移 , リンパ節転移危険因子 , リンパ節転移阻止因子 , 追加胃切除 pp.11-22
Published Date 2008/1/25
DOI https://doi.org/10.11477/mf.1403101254
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 There are currently no universally accepted indications and criteria for additional gastric resection after endoscopic resection of submucosally invasive cancer. The purpose of the present study was to establish accurate indications and criteria for such additional resection based on the risk of lymph node metastasis. We investigated 118 submucosally invasive gastric cancers and analyzed the pathologic risk factors for lymph node metastasis. The tumors were evaluated for pathologic factors in the area of invasion, and factors were compared between the cases with lymph node metastasis (21 cases, 17.8%) and those without. Univariate logistic regression analysis showed short diameter of tumor, depth of invasion, histological classification of submucosal invasive area, absence of lymphoid infiltration, ulceration in cancer, lymphatic permeation, and venous permeation to be statistically significant as risk factors for lymph node metastasis. Multivariate logistic regression analysis showed histological classification of submucosal invasive area, absence of lymphoid infiltration, and lymphatic permeation to be statistically significant as risk factors for lymph node metastasis. Pathologic criteria (scoring system) based on our findings enables more accurate identification of patients who should undergo further surgical treatment after endoscopic resection.


Copyright © 2008, 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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