Hemangioma on a baby
Congenital hemangioma on the hand of a child. Hemangiomas, a type of birthmark, are caused by abnormal distribution of blood vessels. They are harmless and they do not normally require treatment unless they are causing a problem.
Stork bite birthmark
The flat, reddish area between the nose and hairline is a stork bite birthmark, a type of hemangioma, on the forehead of a 3-week-old baby. The inverted triangle shape is characteristic of stork bites, which appear on 30% to 50% of newborn babies. Like most types of hemangioma, they disappear spontaneously before the age of one year.
A strawberry nevus, also known as a cavernous hemangioma, on the forehead of a baby. A dark red raised birthmark, strawberry marks usually enlarge rapidly during the first few weeks after birth, causing distress but doing little harm. Lumps typically subside around six months and about half disappear completely by age five years and most by age nine years.
Port wine stain
A leg with an extensive port-wine stain. Port wine stains are a permanent and often unsightly type of hemangioma, or nevus, caused by an abnormal distribution of blood vessels. If it causes embarrassment or lack of confidence, and some patients may wamt to have it removed with laser surgery.
Hemangioma of the eye
A dense collections of dilated small blood vessels in the eye.
Ulcerated hemangioma in the nose of an 86-year-old woman. This is a tumor of the capillaries. Ulceration is a common complication of hemangioma. Treatment is with surgical removal of the tumor.
Hemangiomas are the most common childhood tumor, affecting about 10% of all white children, but occur less frequently in other race and ethnicities, and occur more often in girls than boys. Hemangiomas are vascular tumors, connected to the circulatory system, and can grow on the skin — about 80% occur on the face and neck — and also on internal organs. The vast majority are not complicated and often disappear without treatment.