(anatomy) Any of a number of different, usually benign, pigmented, raised or otherwise abnormal lesions of the skin.

(medicine) A congenital and usually temporary capillary malformation in a newborn. It is generally pink and flat, and is caused by the dilation of blood vessels.

A skin condition characterized by soft, yellowish papules or cerebriform plaques, usually of the buttock or thigh, with a wrinkled rather than warty surface.

A rare disorder in which abnormal blood vessels affect the gastrointestinal tract, resulting in lesions.