[Leiomyoma of the lower urinary tract]

Tumors of mesothelial origin account for 1-5% of all vesical neoplasms. Leiomyomas, although rare, are the most frequently encountered. Three patients diagnosed as having leiomyoma are presented. Two had leiomyoma of the bladder and one had leiomyoma of the distal urethra. The etiopathogenesis, diagnosis and treatment of this tumor type are discussed.