Japanese

Depth Diagnosis for Early Gastric Cancer by Conventional and Chromo-Endoscopy Seiichiro Abe 1 , Ichiro Oda 1 , Makomo Makazu 1 , Chiko Sato 1 , Masau Sekiguchi 1 , Genki Mori 1 , Yuzuru Kinjo 1 , Satoru Nonaka 1 , Haruhisa Suzuki 1 , Shigetaka Yoshinaga 1 , Takeo Fukagawa 2 , Hitoshi Katai 2 , Shigeki Sekine 3 , Hirokazu Taniguchi 3 , Ryoji Kushima 3 , Yutaka Saito 1 1Endoscopy Division, National Cancer Center Hospital, Tokyo 2Gastric Surgery Division, National Cancer Center Hospital, Tokyo 3Pathology Division, National Cancer Center Hospital, Tokyo Keyword: 早期胃癌 , 組織型 , 深達度診断 , 通常内視鏡 , 色素内視鏡 pp.47-54
Published Date 2014/1/25
DOI https://doi.org/10.11477/mf.1403114047
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 We evaluated depth diagnosis by conventional and chromo-endoscopy in 547 EGC(early gastric cancers)(differentiated-type/undifferentiated-type=444/103, M-SM1/SM2=485/62)according to their histological types. The percentages of the differentiated-type and undifferentiated-type EGCs which were correctly diagnosed were 90.1%and 71.8%, respectively. The depth of differentiated-type EGCs tended to be underestimated, because diagnostic endoscopic submucosal dissection was carried out for the lesions for whose depths were difficult to diagnose. In contrast, the depths of undifferentiated-type EGCs tended to be overestimated, because they significantly had ulcer findings compared with differentiated-type EGCs. Also, the margin elevation and fibrosis due to ulcer findings were sometimes misdiagnosed as the endoscopic findings indicative of deeper submucosal invasion.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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