A hemangioma of the skin is an abnormal buildup of blood vessels on or under the surface of the skin. It may look like a red-colored birthmark.
A hemangioma is a noncancerous tumor made up of blood vessels. There are many types of hemangiomas, and most occur on the surface of the skin or just.
The small, red bumps of cherry hemangiomas can be widespread and vary in size, as in this adult. As a general rule, cherry hemangiomas do not become much.