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Secondary gastric tumours are very uncommon clinical entities and even more so when the site for the primary tumour is the kidney. Only 11 cases of life diagnosis have been described up to now. Contribution of one case report: a female patient presenting with upper GI tract haemorrhage secondary to gastric metastasis from renal cell carcinoma four years after radical nephrectomy. A literature review is made on the cases described up to date in living patients and a pathogenic hypothesis established based on the theoretical dissemination routes for the cases of gastric location of the metastasis.

Prepubertal cases are invariably benign in nature, regardless of their histology. However, cases which appear after puberty are potentially malignant, even if histologically pure. Mature cystic teratoma (dermoid cyst) is the only exception to this rule, as no malignant degeneration of these types of tumours has been published.

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