Bladder leiomyosarcoma is a rare neoplasm. Early diagnosis, cystectomy
, radiation therapy and chemotherapy seem to improve prognosis. The au
thors report one case of a leiomyosarcoma of the bladder in a seventy
year old woman. There has been no evidence of recurrence after partial
cystectomy, with more than a two-year follow up. Clinical, histologic
al, therapeutic and prognostic aspects of this unusal tumor are discus
sed.