Case Report: Hemangioma of the Urinary Bladder Showing Vascular Inactivity and Spontaneous Regression

Hemangiomas of the urinary bladder are a relatively unusual entity and are seldom described in the literature. They are of clinical importance in that they are one of benign causes of painless hematuria which may create problems concerning diagnosis and management. It may occur as an isolated lesion or in association with cutaneous or visceral arteriovenous malformations. Hemagioma of the urinary bladder is most likely congenital in origin, arising from embryonic angioblastic stem cells. In spite of it's benign nature and slow growth, recurrent hematuria persists if it remains untreated. To our knowledge, only isolated case reports