A vascular malformation characterized pathologically by ectasia of superficial dermal capillaries, and clinically by persistent macular erythema. Port-wine stains vary in colour from fairly pale pink to deep red or purple and in size from a few millimeters to many centimetres in diameter. They may occur on the face, trunk or limbs.
Port-Wine Stain, Nevus Flammeus, Nevus Vinosus, Nevus Telangiectaticus, Hemangioma Planum, Birthmark
Capillary haemangioma of skin, Capillary hemangioma of skin, Capillary naevus of skin, Capillary nevus of skin, Naevus flammeus, Nevus Flammeus, Nevus, flammeus, Nevus, port wine, Port - wine naevus, Port - wine nevus, Port - wine stain, Port Wine Stain, Portwine nevus, Port-Wine Stain, Port-wine stain of skin, NOS, Port-Wine Stains, PWS - Port wine stain, Stain, port wine, Stain, Port-Wine, Stains, Port-Wine