[Solitary fibrous tumor of the prostate].

We report a new case of a solitary fibrous tumor. It is a tumor which involve to genitourinary system unusual time, and it is exceptional in the prostate. Our patient began with bladder compression symptoms. Radiological studies showed polilobed mass that moved out the bladder although the could not show the pelvic organ was involved. The definitive diagnosis was made by histology and inmunohistochemestry of the surgical piece.