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Pathological Diagnosis of Gastric Cancer Detected after Eradication Therapy Hiroshi Kawachi 1,2 , Kaoru Nakano 1,2 1Department of Pathology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo 2Division of Pathology, Cancer Institute of Japanese Foundation for Cancer Research, Tokyo Keyword: 胃癌 , H. pylori , 除菌 , 病理 , 非腫瘍性上皮 pp.9-16
Published Date 2022/1/25
DOI https://doi.org/10.11477/mf.1403202633
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 Recently, cases of gastric adenocarcinoma that are detected after eradication therapy for Helicobacter pylori have been increasing. After the eradication, non-neoplastic background mucosa shows a combination of proper gastric and intestinalized epithelia. Histologically, non-neoplastic foveolar epithelium or intestinalized epithelium covers cancerous tubuli at the mucosal surface of a lesion, resulting in the difficulty of endoscopic diagnosis. Surface differentiation of cancerous epithelium with low-grade cytological atypia is also observed. Histological discrimination of the covering of non- neoplastic epithelium and surface differentiation of cancerous epithelium is occasionally difficult. For this purpose, careful examination by the pathologists is mandatory.


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

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