[Sarcomatoid carcinoma of the prostate].

The authors report a case of sarcomatoid carcinoma of the prostate in a 49-year-old patient. The clinical symptoms were dominated by dysuria and frequency. Digital rectal examination showed a very large, hard and irregular prostate. Serum PSA was normal. Transrectal ultrasonography and abdominopelvic computed tomography showed a heterogeneous mass occupying the vesico-prostatic junction. The patient underwent cystoprostatectomy. Histological examination of the cystoprostatectomy specimen revealed a tumour composed of spindle cells expressing epithelial markers on immunohistochemical analysis and concluded on a diagnosis of sarcomatoid carcinoma of the prostate. The patient died seven months after cystoprostatectomy.