Hemangioendotheliomata are generally seen only in children. This webpage will focus on cavernous hemangioma, the most common benign liver tumor of adults.
Cavernous hemangioma occur in individuals of all ages and throughout the world.
They are more commonly found in older persons and rarely identified in young children. Cavernous hemangiomata are more common in women than men. Estrogens may increase their size. Cavernous hemangiomata can vary in size and be as large as several centimeters. The margins of the tumors are usually well-defined.