Metastatic Gastric Cancer Tadashi Kitamura 1 1Department of Gastroenterology, Shizuoka Red Cross Hospital, Shizuoka, Japan Keyword: 転移性胃癌 , 胆嚢癌 , スキルス胃癌 , 4型進行胃癌類似型 , 4型転移性胃癌 pp.489-492
Published Date 2010/4/25
DOI https://doi.org/10.11477/mf.1403101886
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 Few studies have comprehensively evaluated metastatic gastric tumors, characterized by a wide range of endoscopic features. In particular, metastatic gastric tumors simulating type 4 advanced gastric cancer must be differentiated from scirrhous gastric cancer. These tumors are extremely rare, but are often found among metastases from breast cancer. Because such tumors spread by diffusely infiltrating the submucosa, differential diagnosis is challenging on endoscopic as well as radiographic examinations. Final diagnosis usually requires histopathological examination of biopsy specimens. Metastatic gastric tumors are relatively easily suspected in the presence of primary lesions, but breast cancer associated with tumors simulating type 4 advanced gastric cancer has been reported to appear several years after surgery. Caution is therefore required in diagnosis. Aggressive examinations such as boring biopsy should be performed to reliably obtain specimens of submucosal tumor tissue.

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