Opposite renal pelvic metastasis of renal adenocarcinoma. Case report.

We report on a 72-year-old patient who was nephrectomized because of renal adenocarcinoma and who developed five years later a tumour in the contralateral renal pelvis. Histological study of the completely resected tumour revealed a metastase from the renal cell carcinoma. A short review of the literature concerning the rare cases of contralateral renal pelvic or ureteral metastases of renal carcinoma is made.