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Morphologic Diagnosis of Metastatic Gastric Tumors and Metastatic Gastric Tumor from Breast Cancer:A Systematic Review: Masamichi Arao 1,2 , Jun Takata 1 , Takashi Ibuka 1 , Natsuko Suzui 3 , Noriya Uedo 4 1First Department of Internal Medicine, Gifu University Hospital, Gifu, Japan 2Department of Gastroenterology, Japanese Red Cross Gifu Hospital, Gifu, Japan 3Department of Diagnostic Pathology, Gifu University Hospital, Gifu, Japan 4Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan Keyword: 転移性胃腫瘍 , 乳癌 , 胃転移 , 画像診断 , 形態学的特徴 pp.1007-1017
Published Date 2022/7/25
DOI https://doi.org/10.11477/mf.1403202953
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 Metastatic gastric tumors indicate lesions from extragastric tumors that metastasize to the stomach. In this study, endoscopic and clinicopathological features in metastatic gastric tumors of previous autopsy cases were reviewed. Furthermore, a systematic review was conducted for metastatic gastric tumors from breast cancer. Type 4 morphology was seen in 54.1% of cases, and metastatic tumors from breast cancer were present at various sites in the stomach(38.0% sites in the U region, 31.3% in the M region, and 46.4% in the L region). These lesions showed both endoscopic and pathological similarity with primary gastric cancer. U and M regions were frequent sites of metastasis, and submucosal tumor type was the most common morphology in metastatic gastric tumors. Metastatic tumors from breast cancer indicate that they have different characteristics than other metastatic gastric tumors.


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

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