Carcinoma renal de células claras y carcinoma ipsilateral sincrónicos: Aportación de un nuevo caso y revisión de la literatura

OBJECTIVES: We report a new case ofsimultaneous renal cell adenocarcinoma and ipsilateralmultifocal transitional cell carcinoma.METHODS: 73-year-old man with initial diagnosis oftransitional cell carcinoma of the urinary tract whosepathological report showed a asynchronous renal cellcarcinoma.RESULTS: We present microphotographs of both tumorsafter radical surgery.CONCLUSIONS: The presentation of both tumors in thesame kidney is unusual, although there are around 47cases in the bibliography worldwide, 8 of them inSpanish. Presentation of both tumors altogether does notworsen prognosis.