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Influence of Proton Pump Inhibitor on Human Gastric Mucosa Masanori Ito 1 , Mariko Kiso 1 , Kazuhiko Masuda 1 , Takahiro Kotachi 1 , Tomoyuki Boda 2 , Taiji Matsuo 2 , Shiro Oka 2 , Shinji Tanaka 2 , Kazuaki Chayama 1 1Department of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan 2Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan Keyword: プロトンポンプ阻害薬 , 壁細胞 , ガストリン , PCP , 胃ポリープ pp.491-496
Published Date 2016/4/25
DOI https://doi.org/10.11477/mf.1403200602
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 Prevalence of PPI(proton pump inhibitor)use is increasing, especially in the elderly. Recently, endoscopists are recommended to be well aware of PPI-induced gastric lesions. A typical histological feature in PPI users is parietal cell protrusion. Fundic gland polyp develops in PPI users without Helicobacter pylori(H. pylori)infection, and it characteristically appears as a swollen cystic gland. On the other hand, in those with H. pylori infection, hyperplastic polyps develop because of PPI-induced hypergastrinemia. Multiple white, flat, elevated lesions with foveolar hyperplasia may be another representative histological feature in the gastric mucosa of PPI users.


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

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