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Histopathological Findings of Background Gastric Mucosa Yasuhiro Wada 1,2 , Ryoji Kushima 2 , Ken-ichi Mukaisho 3 , Masaaki Kodama 1,4 , Takafumi Fuchino 1 , Masahide Fukuda 1 , Kazuhiro Mizukami 1 , Tadayoshi Okimoto 1 , Kazunari Murakami 1 1Department of Gastroenterology, Faculty of Medicine, Oita University, Yufu, Japan 2Department of Pathology, Shiga University of Medical Science, Otsu, Japan 3Education Center for Medicine and Nursing, Shiga University of Medical Science, Otsu, Japan 4Faculty of Welfare and Health Science, Oita University, Oita, Japan Keyword: Helicobacter pylori , 腸上皮化生 , 幽門腺化生 , 偽幽門腺化生 , 膵上皮化生 pp.1175-1185
Published Date 2022/8/25
DOI https://doi.org/10.11477/mf.1403202980
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 Metaplastic changes, including intestinal metaplasia, pyloric metaplasia, pseudopyloric metaplasia, and pancreatic acinar cell metaplasia, occur in response to chronic gastritis caused by H. pylori(Helicobacter pylori)infection. Intestinal metaplasia is immunohistochemically classified as complete or incomplete. In the present study, we examined the reversibility of complete and incomplete types of intestinal, pyloric, pseudopyloric, and pancreatic acinar cell metaplasia after H. pylori eradication using biopsy specimen immunohistochemistry. We found that incomplete intestinal, pyloric, and pseudopyloric metaplasia regressed after H. pylori eradication. The identification of patients at high risk for gastric cancer is needed because gastric cancer develops even after H. pylori eradication. Further study is needed to determine if the regression of incomplete intestinal, pyloric, and pseudopyloric metaplasia contributes to the prevention of gastric cancer after H. pylori eradication.


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

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