Port wine stain

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Medical Definition of Port wine stain

Port wine stain: A mark on the skin that resembles port wine (porto) in its rich ruby red color. Due to an abnormal aggregation of capillaries, a port wine stain is a type of vascular malformation (vascular birthmark). A port wine stain on the face is a sign of the Sturge-Weber syndrome.


Quick GuideRosacea, Acne, Shingles: Common Adult Skin Diseases

Rosacea, Acne, Shingles: Common Adult Skin Diseases

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Reviewed on 6/9/2016

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