Endoscopic Feature of Type A Gastritis, Especially Magnifying Endoscopic Findings Kazuyoshi Yagi 1 , Itsuo Nagayama 1 , Takahiro Hoshi 1 , Satoshi Abe 1 , Shin-ichi Morita 1 , Takeshi Suda 1 , Yu-ichi Sato 2 , Shuji Terai 3 1Department of Gastroenterology and Hepatology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minamiuonuma, Japan 2Department of Internal Medicine, Niigata Prefectural Yoshida Hospital, Tsubame, Japan 3Department of Gastroenterology and Hepatology, Niigata University, Graduate School of Medical and Dental Sciences, Niigata, Japan Keyword: A型胃炎 , 拡大内視鏡 , 慢性胃炎 , 胃粘膜萎縮 , カルチノイド pp.1010-1018
Published Date 2019/6/25
DOI https://doi.org/10.11477/mf.1403201783
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 Magnifying endoscopic findings of Helicobacter pylori-induced chronic gastritis show a ridged surface structure ; however, magnifying endoscopic findings of type A gastritis show closely arranged, small, round, oval pits. Typical conventional endoscopic findings of type A gastritis show prominent atrophy on the proximal site, but not on the distal site. However, type A gastritis without this typical finding is difficult to be diagnosed using conventional endoscopy. In these difficult cases, the abovementioned magnifying endoscopic feature is practical. In this study, these characteristic findings are discussed.

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