[Fibromyxoid pseudosarcoma of the urinary bladder. Case report and review of the literature of a rare disease].

Pseudosarcomatous fibromyxoidtumors (PSF) of the bladder are rare, benign tumors consisting of myofibroblastoid bladder wall proliferations of unknown etiology. Misinterpretation as a sarcoma is common and due to infiltrative growth and cellular pleomorphism and may leaed to false radical treatment. We present a 27 year old man with PSF presenting with microhematuria. Results of clinical, radiological and histopathological examinations and therapy are presented. A. review of the literature data of the to our knowledge 73 cases that have been reported in the literature is given.