PORT-WINE STAIN
Definition and Nomenclature A Port-Wine Stain (PWS), medically classified as Nevus Flammeus, is a congenital, permanent vascular birthmark characterized by a distinctive bluish-red or violaceous discoloration of the skin. It represents a common type of capillary malformation, resulting from the localized dilation of capillaries and post-capillary venules in the upper dermis. Unlike many other infantile […]