OverviewHemangiomas are tumors made up of dilated blood vessels that usually appear shortly after birth, although they may be present at birth. Hemangiomas on the face can be disfiguring and may interfere with visual development or cause obstruction of the airway.
Review Date 10/24/2016
Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.