Hemangiomas
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Hemangiomas are abnormal overgrowths of blood vessels that can appear as red or purple lumps in the skin and on other parts of the body.
(See also Overview of Skin Growths and Overview of Growths and Malformations of the Vessels.)
Hemangiomas of infancy are very common. Hemangiomas also develop during middle age and later, especially on the trunk.
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