A hemangioma may be present at birth, but more often appears during the first several months of life. It starts as a flat red mark anywhere on the body, most often on the face, scalp, chest or back. Usually a child has only one mark. Some children may have more than one, particularly if they're part of a multiple birth. During your child's first year, the red mark grows rapidly into a spongy, rubbery-looking bump that sticks out from the skin. The hemangioma then enters a rest phase and, eventually, it begins to slowly disappear. Many hemangiomas disappear by age 5, and most are gone by age 10. The skin may be slightly discolored or raised after the hemangioma goes away.