How to Determine the Horizontal Margin of Early Gastric Cancer by Using a Novel Magnification Endoscopic Technique Kenshi Yao 1 , Mamoru Nakamura 1 , Takashi Nagahama 1 , Fumihito Hirai 1 , Yasuhiro Takaki 1 , Suketo So 2 , Toshiyuki Matsui 1 , Nobuaki Nishimata 3 , Hiroshi Tanabe 3 , Akinori Iwashita 3 , Hiroaki Matake 4 , Munenori Takeshita 5 1Department of Gastroenterology, Fukuoka University Chikushi Hospital, Fukuoka, Japan 2Tobata Kyoritsu Hospital, Fukuoka, Japan 3Department of Pathology, Fukuoka University Chikushi Hospital, Fukuoka, Japan 4Matake Ichoka Clinic, Fukuoka, Japan 5Takeshita Ichoka Naika Clinic, Fukuoka, Japan Keyword: 早期胃癌 , 拡大内視鏡 , 境界診断 , 範囲診断 , 微小血管構築像 pp.735-745
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101073
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 We describe the novel clinical usefulness of magnification endoscopy for determining the horizontal margin of early gastric cancer. In summary, the usefulness was as follows : (1)identification of a daughter lesion,(2)usefulness of magnification endoscopy with narrow band imaging which can clearly visualize both microvascular architecture and microsurface structure, and(3)diagnosis of an occult cancer which could not be identified by non-magnification endoscopy alone. Among these findings, so called "light blue crest", which cannot be visualized by white light imaging alone, but which can be visualized by NBI, could be a new useful makers for determining the margins of carcinoma.

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