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Differential Diagnosis of Adenoma and Well-differentiated Adenocarcinoma of the Stomach with Magnifying Endoscopy Kazuyoshi Yagi 1 , Akiko Saka 1 , Yujiro Nozawa 1 , Atsuo Nakamura 1 , Yoichi Ajioka 2 1Department of Internal Gastroenterology, Niigata Prefectural Yoshida Hospital, Tsubame, Japan 2Division of Molecular and Diagnostic Pathology, Niigata University, Graduate School of Medical and Dental Sciences, Niigata, Japan Keyword: 拡大内視鏡 , NBI , 胃腺腫 , 胃癌 , white zone pp.1811-1814
Published Date 2014/12/25
DOI https://doi.org/10.11477/mf.1403200105
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 We analyzed images of gastric adenoma(7)and well-differentiated adenocarcinoma lesions(18)obtained with NBI(narrow band imaging)-magnifying endoscopy. Irregularity of the microvascular network was observed more often in adenocarcinoma than in adenoma(p= 0.04); however, appearance of a LBC(light blue crest)was observed more often in adenoma than in adenocarcinoma(p=0.032). Granular or papillary structures, appearance and disappearance of white opaque substance, and changes in magnifying endoscopic imaging were observed in adenocarcinoma. The characteristic features of adenoma observed with NBI-magnifying endoscopy were a regular microvascular network and LBC.


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

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