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Pathology of Gastric Carcinoma with Lymphoid Stroma Akiko Iwasaki 1 , Tetsuo Ushiku 1 1Department of Pathology, the University of Tokyo, Tokyo Keyword: 胃癌 , リンパ球浸潤癌 , GCLS , EBV , Epstein-Barr virus , MSI , microsatellite instability pp.913-921
Published Date 2022/6/25
DOI https://doi.org/10.11477/mf.1403202935
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 GCLS(gastric carcinoma with lymphoid stroma)is a special histological subtype of gastric adenocarcinoma distinguished by prominent lymphoid stroma. The majority of GCLS is EBV(Epstein-Barr virus)-positive tumors, but MSI(microsatellite instability)tumor and other EBV-negative tumors can have this histology as well. As a result, in terms of molecular background, GCLS is made up of diverse subgroups. In this article, we will first summarize the characteristics of GCLS as a whole and then compare the four groups of GCLS:EBV-positive GCLS, MSI GCLS, EBV-negative and non-MSI GCLS, and EBV-positive non-GCLS. Additionally, we discuss the carcinogenic mechanism of EBV-related and MSI gastric carcinomas, as well as the clinical implications of endoscopic treatment and immunotherapy.


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

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