胃癌臍転移の5例

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  • FIVE CASES OF UMBILICAL METASTASIS OF THE GASTRIC CANCER

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We report 5 cases of umbilical metastasis of gastric cancer, which represented 0.3% of total 1, 519 cases of gastric cancer. Three cases were recurrent cases from 793 cases undergoing a curative gastrectomy, one was relapsed case after noncurative gastrectomy and the remaining was synchronous metastasis which was found at gastrectomy for the primary gastric cancer. In four metachronous metastatic cases, the interval from the primary gastrectomy to umbilical metastasis was 21 months in average. All five primary lesions were in advanced stage, 3 or 4. The probable modes of metastasis included peritoneal dissemination in two cases and lymphatic in three cases. There were only two cases without metastases other than umbilical lesion. All primary lesions were resected. Umbilical metastases were resected in three lymphogenously metastasized cases, when the mean survival was 10.7 months. On the other hand, the mean survival of two unresected cases was 2.5 months. The umbilical metastasis of gastric cancer is rarely encountered, but it is easily detected and diagnosed definitely. We recommend that umbilical metastasis should be resected, if the mode of metastasis is suitable (lymphogenous) and no other metastatic foci are detected. The patient with advanced gastric cancer should be strictly followed up by entertaining a possible metastasis to the umbilicus.

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