Isolated ureteric metastasis from a prostatic adenocarcinoma. A case report.

A ureteric tumour Was discovered in a patient presenting with an episode of renal colic and a history of prostatectomy for prostatic adenocarcinoma. S egmental ureterectomy was performce. Histological examination showed a meta stasis from prostatic adenocarcinoma. This is a rare site of secondaries : less than 40 cases have been reported in the literature, essentially based on autopsy series. Metastatic spread occurs via lymphatics or the blood str eam, and the secondary tumour develops from the adventitia before invading the ureteric wall. Although this diagnosis may be suggested by the clinical features and imaging, it can only be confirmed by histology. After uretere ctomy, treatment can combine all of the recognized treatment modalities aga inst prostatic adenocarcinoma : endocrine therapy and adjuvant radiotherapy .