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Posts Tagged ‘cavernous hepatic hemangioma’

A hemangioma is an abnormal build up of blood vessels in the skin or internal organs. Hemangiomas are one of the most common birthmarks in newborns. Most hemangiomas are not present at birth but develop within the first few weeks to months of life. They are found in up to 10 percent of babies by the age of one. Most children with hemangiomas have only one. Many have a few. Rarely, children may have many, both on the skin and in the internal organs. Some have enough extra vascular tissue to cause anemia or platelet problems. Hemangiomas, both deep and superficial, undergo a rapid growth phase in which the volume and size increase rapidly.

This phase is followed by a rest phase, in which the hemangioma changes very little, and an involutional phase in which the hemangioma begins to disappear. During the involutional phase, hemangiomas may disappear completely. Large cavernous hemangiomas distort the skin around them and will ultimately leave visible changes in the skin. A superficial capillary hemangioma may involutes completely, leaving no evidence of its past presence. There are two types of liver hemangioma: cavernous and hemangioendothelioma. Cavernous hemangioma arises in individuals of all ages and all over the world. Cavernous hemangiomata are more common in women than men. Estrogens may augment their size.

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