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Clinical Characteristics of Intramucosal Gastric Cancer Causing Metastasis Based Mainly on Radiography Findings Akio Matsuda 1 , Yoshito Nishimata 1 , Toru Niihara 1 , Tatsuyuki Niou 1 , Shunji Shimaoka 1 , Hiromitsu Torimaru 1 , Koutaro Tashiro 1 , Kouichiro Tsukasa 1 , Sadao Tanaka 1 , Hiroto Nishimata 1 , Hiroshi Imamura 2 , Toyokuni Suenaga 2 , Hidehisa Ohi 3 1Department of Gastroenterology, Nanpu Hospital, Kagoshima, Japan 2Department of Surgary, Nanpu Hospital, Kagoshima, Japan 3Department of Gastroenterology, Imamura Hospital, Kagoshima, Japan Keyword: 胃粘膜内癌 , リンパ節転移 , 内視鏡的粘膜下層剝離術 pp.1131-1140
Published Date 2006/7/25
DOI https://doi.org/10.11477/mf.1403100623

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 The characteristics of intramucosal gastric cancer positive for metastases to the lymph nodes were investigated from a clinical viewpoint. Lymphatic metastases were found in 7 of 390 cases of intramucosal gastric cancer (1.8%). The mean age of patients was 53.9 and the ratio of men to women was 3 : 4. Lesion sites were U region in no cases, M region in six cases, and L region in one case. The mean lesion size was 4.3cm. The main macroscopic type of the lesions was depressed one in all cases. Histopathologically, six of the seven lesions were undifferentiated cancers. Six lesions showed complications of ulceration (scarring). On preoperative radiograms, the borders of the lesions could be seen almost around the whole circumference in two cases, round half or more of the circumference but not all round in four cases, and around less than half the circumference in one case. It was difficult to detect the presence of ulcer scars of UL-II in the lesions before treatment in some cases. Most intramucosal gastric cancers with metastases to lymph nodes were undifferentiated cancers with ulcers, including some lesions with unclear borders.


Copyright © 2006, 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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