The bladder leiomyosarcoma is a rare and agressive mesenchymal tumour, and adult women of reproductive age have a sofia barclay sexy higher incidence of developing the bladder leiomyosarcoma.The pathophysiology of the disease is not certain, and its main symptoms are hematuria, dysuria and abdominal pain.There are not considerable serra avatar price amount of cases described in the literature.We report a case of a giant leiomyosarcoma of the urinary bladder in a 31-year-old woman.