Differential Diagnosis of Gastric Cancer, Gastric Adenoma, and Gastritis by Magnifying Endoscopy Hisashi Doyama 1 , Hiroyoshi Nakanishi 1 , Sho Tsuyama 2 , Yasuhito Takeda 1 , Kunihiro Tsuji 1 , Kei Tominaga 1 , Naohiro Yoshida 1 , Kenichi Takemura 1 , Shinya Yamada 1 , Kazuyoshi Katayanagi 2 , Hiroshi Kurumaya 2 , Kenshi Yao 3 1Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan 2Department of Diagnostic Pathology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan 3Department of Endoscopy, Fukuoka University Chikushi Hospital, Chikushino, Japan Keyword: NBI , 拡大内視鏡 , 胃癌 , 質的診断 , 白色球状外観 pp.594-603
Published Date 2016/5/24
DOI https://doi.org/10.11477/mf.1403200620
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 M-NBI(magnifying endoscopy with narrow-band imaging)using the VSCS(vessel plus surface classification system)is very useful for the accurate diagnosis of early gastric cancer. Significant benefits can be achieved when M-NBI is applied not only in preoperative examination but also in screening endoscopy. The use of M-NBI in screening endoscopy is associated with excellent real-time diagnostic performance and accurate endoscopic diagnosis of early gastric cancer. M-NBI may also contribute to reducing the number of biopsies required to detect one early gastric cancer. Recent reports have described various novel endoscopic markers visualized by M-NBI that can predict specific histopathological findings. The presence of these novel endoscopic markers can be an adjunct to diagnosis using M-NBI with VSCS. Training is required for both interpreting endoscopic images and developing skills for obtaining maximal resolution ; this will improve the diagnostic ability of the operator using M-NBI with VSCS. Diagnosis using M-NBI with VSCS may provide excellent diagnostic performance with high confidence and good reproducibility to the endoscopist if M-NBI is performed under consistent conditions, including observation under maximal magnification.

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