OBJECTIVES: To report this case of bladderleiomyoma, benign tumor of the bladder, due to its low frequency(0.43%) and to perform a bibliographic review.METHODS AND RESULTS: Case of a 46 year old female whorefers a history of voiding symptoms, macroscopic haematuria withclots, asthenia, anorexia and right flank pain for 15 days prior toconsultation. After blood tests, X ray tests, ultrasound and CT scanshe underwent hysterectomy, anexectomy, radical cystectomy andureteral reimplantation to a Mainz II sigmoid pouch. Currently, 44months after surgery her outcome has been satisfactory.CONCLUSION: Bladder leiomyoma, a disease without specificsymptoms, is occasionally found in pathological evaluation; biopsyis the confirmative diagnostic test. They are rarely found outside theuterus and gastrointestinal tract