A<unk>  (nevus flammeus) is a discoloration of the human skin caused by a vascular anomaly (a capillary malformation in the skin). They are so named for their coloration, which is similar in color to<unk> <unk> , a fortified red<unk>  from<unk> ugal. A<unk>  is a capillary malformation, seen at birth.<unk> s persist throughout life. The area of skin affected grows in proportion to general growth.<unk> s occur most often on the face but can appear anywhere on the body, particularly on the neck, upper trunk, arms and legs. Early<unk> s are usually flat and pink in appearance. As the child matures, the color may deepen to a dark red or purplish color. In adulthood, thickening of the lesion or the development of small lumps may occur.<unk> s may be part of a syndrome such as Sturge–Weber syndrome or Klippel–Trénaunay–Weber syndrome.
Port-wine stain
Forchheimer spots
Bier spots
Elschnig spots
Riehl melanosis
Brushfield spots
Koebner phenomenon
Cameron lesions