Japanese

Gastric Adenocarcinoma of the Fundic Mucosa Type with Type A Gastritis, Report of a Case Hiroki Yaita 1 , Koichi Kurahara 1 , Yumi Oshiro 2 , Masashi Kameda 1 , Nobuaki Kuno 1,3 , Takashi Yao 4 , Yoko Ueda 5 , Tadahiko Fuchigami 1 1Division of Gastroenterology, Matsuyama Red-cross Hospital, Matsuyama, Japan 2Department of Pathology, Matsuyama Red-cross Hospital, Matsuyama, Japan 3Department of Gastroenterology and Medicine, Fukuoka University School of Medicine, Fukuoka, Japan 4Department of Human Pathology, Juntendo University, Graduate School of Medicine, Tokyo 5Department of Internal Medicine, Matsuyama Red-cross Hospital, Matsuyama, Japan Keyword: 胃底腺粘膜型胃癌 , 胃底腺型胃癌 , A型胃炎 , H. pylori既感染 pp.1366-1374
Published Date 2017/9/25
DOI https://doi.org/10.11477/mf.1403201180
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 A man in his 60s was referred to our hospital to be screened for gastric cancer. EGD(esophagogastroduodenoscopy)showed a flat, elevated lesion on the anterior wall of the lower gastric corpus with severe atrophic changes of the gastric corpus. The tumor featured vascular ectasia of the faded tumor surface. Magnifying endoscopy with narrow-band imaging revealed an irregular microvascular pattern with an amorphous surface. Therapeutic endoscopic submucosal dissection was performed. The histopathological findings showed well-differentiated adenocarcinoma mimicking fundic gland cells, which were strongly positive for pepsinogen I and MUC6 and slightly positive for CD10. The carcinoma cells with positivity for MUC5AC was seen on the surface of the tumor. Type A gastritis was diagnosed as the reason for the endocrine cell micronest of the deep part of the tumor, hypergastrinemia, and positive antibodies to parietal cells and intrinsic factors. Diagnosis was gastric adenocarcinoma of the fundic mucosa type with type A gastritis.


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

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