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DictionarySeeeruptionEncyclopediaSeeEruptionpolymorphous light eruption
pol·y·mor·phous light e·rup·tiona common pruritic papular eruption appearing in a few hours and lasting up to several days on skin exposed to shortwave ultraviolet light (UVB); subepidermal edema and deep perivascular lymphocytic infiltration is seen microscopically.pol·y·mor·phous light e·rup·tion (pol'ē-mōr'fŭs līt ĕr-ŭp'shŭn) A common pruritic papular eruption appearing in a few hours and lasting up to several days on skin exposed to shortwave ultraviolet light; subepidermal edema and deep perivascular lymphocytic infiltration is seen microscopically. polymorphous light eruption, polymorphic light eruption Abbreviation: PMLE A rash occurring after exposure to sunlight, typically consisting of papules, plaques, or papulovesicles on sun-exposed skin. It is more common in fair-skinned patients and in women than in men or people with darker skin color. The rash is usually itchy but may produce a burning or stinging sensation. Avoiding sun exposure with protective clothing and sunblock helps prevent PMLE. Immune-modulating drugs are available for refractory cases. See also: eruptionSee PMLE See PMLE |