Picture of Hemangioma 2
Hemangioma (benign tumor). Hemangiomas are a common type of birthmark that caused by extensive development of blood vessels at the site. It appears at or soon after birth and is usually harmless and painless. For the most part they require no treatment as they will generally shrink. However, surgery, lasers or medications may be necessary if they are close to the eye or mouth to prevent vision or breathing problems, or if it is affecting the child's self esteem.
Text Source: Mayo Clinic