What is a hemangioma?

A hemangioma is a type of birthmark. It is the most common benign (non-cancerous) tumor of the skin. Hemangiomas may be present at birth (faint red mark) or may appear in the first months after birth. A hemangioma is also known as a port wine stain, strawberry hemangioma, and salmon patch. … Vascular Malformations and Hemangiomas »»