Infantile hemangiomas are benign vascular neoplasms that are the most common head and neck tumors of infancy. They can occur virtually anywhere, but the majority are found in the head and neck regions. This article aims to be a generic discussion of the condition, for detailed and more specific imaging features, please refer to subarticles:. Females, Caucasians and premature neonates are disproportionately affected. They are characteristically small or absent at birth.
What to know about internal hemangiomas
Hemangioma of the Skin: Causes, Identification, and Diagnosis
A hemangioma of the skin is an abnormal buildup of blood vessels on or under the surface of the skin. A hemangioma of the skin may look like a red-wine or strawberry-colored plaque, and it may protrude from the skin. Infantile hemangiomas are a specific type of hemangioma that appear most frequently on the trunk of the body, but they can also appear on the face or neck. They generally develop soon after birth and can affect both boys and girls.
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Pyogenic granuloma is a vascular lesion that occurs on both mucosa and skin, and appears as an overgrowth of tissue due to irritation , physical trauma , or hormonal factors. Pyogenic granulomas may be seen at any age, and are more common in females than males. In pregnant women, lesions may occur in the first trimester with an increasing incidence up until the seventh month, and are often seen on the gums. Younger lesions are more likely to be red because of the high number of blood vessels. Older lesions begin to change into a pink color.