Pseudosarcomatous fibromyxoidtumors of the bladder

Pseudosarcomatous fibromyxoidtumors (PSF) of the bladder are rare, benign t umors consiting of myofibroblastoid bladder wall prolifertions of unknown e tiology. Misinterpretation as a sarcoma is common and due to infiltrative g rowth and cellular pleomorphism and may leed to false radical treatment. We present a 27 year old man with PSF presenting with microhematuria. Resul ts 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.