hemangioma of bladder with associated extravesical cyst in a 8-years old boy

abstract: urinary bladder hemangiomas are very rare and accounting for 0.6% of all urinry bladder toumors. it is rare cause of hematuria. a 8-year old boy presented with painless gross hematuria for one week. he had past history of this problem 5 months ago. physical examination revealed no unusual findings. sonogeraphy and ct scan showed intraluminal bladder mass with exteravesical cyctic component. partial transurethral resection of mass revealed lymphangioma. open syrgery was performed and pathologist reported hemangioma of bladder associated with exteravesical cyct.