Japanese

Endoscopic Findings of Early Gastric Cancers of Mixed Differentiated Type:Conventional Endoscopy Shigetaka Yoshinaga 1 , Ichiro Oda 1 , Jun Nakamura 1 , Hiroyuki Takamaru 1 , Tomoko Okamoto 1 , Chiko Sato 1 , Seiichiro Abe 1 , Satoru Nonaka 1 , Haruhisa Suzuki 1 , Yutaka Saito 1 , Hitoshi Katai 2 , Shigeki Sekine 3 , Hirokazu Taniguchi 4 , Ryoji Kushima 4 1Endoscopy Division, National Cancer Center Hospital, Tokyo 2Gastric Surgery Division, National Cancer Center Hospital, Tokyo 3Division of Molecular Pathology, National Cancer Center Research Institute, Tokyo 4Pathology Division, National Cancer Center Hospital, Tokyo Keyword: 早期胃癌 , 分化型 , 未分化型 , 混在型 , 内視鏡診断 pp.1596-1608
Published Date 2013/10/25
DOI https://doi.org/10.11477/mf.1403113968
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 We evaluated endoscopic findings of mixed differentiated early gastric cancers using conventional endoscopy.

 We checked and reviewed endoscopic figures and pathological results of 1047 lesions. The early gastric cancers of mixed differentiated type tended to be located at the middle of the stomach, located in the margin of atrophic area or unatrophic area, 0-IIc type, more than 20mm in size, or which have ulceration findings comparable with differentiated early gastric cancers, and which are located in the atrophic area or are reddish colored compared with undifferentiated early gastric cancer.

 Even if biopsy specimens revealed differentiated adenocarcinoma, we should observe them carefully when we see discolored depressive lesions with ulcerative findings those were located near the margin of atrophic area or more than 20mm in size, because there might be some parts of undifferentiated component in those lesions


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

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