Polymorphic light eruption (PMLE) is a form of photosensitivity, which usually occurs in younger females.It is more common in patients who receive only intermittent sun exposure and typically consists of crops of papules, vesicles or plaques.. Histology of polymorphic light eruption. [16], The cases of this condition are most common between the spring and autumn months in the northern hemisphere and at higher altitudes. DermNet does not provide an online consultation service. Symptoms of PMLE usually begin within a few hours to days after sunlight exposure, typically in the spring or early summer. Accessibility Exposure to sunlight in spring or summer results in an irritable rash that resolves within a few days, providing further exposure is avoided. Dec. 16, 2021. arrow-right-small-blue It is postulated that there is a delayed hypersensitivity reaction to an endogenous antigen expressed after exposure to sunlight or artificial sources of ultraviolet (UV) radiation. Well go over the causes of an ear keloid before diving into. [22], Generally, PLE resolves without treatment; also, PLE irritations generally leave no scar. Epub 2010 Jul 8. van de Pas CB, Kelly DA, Seed PT, Young AR, Hawk JL, Walker SL. Polymorphous Light Eruption - PubMed Juvenile spring eruption of the ears Is likely a form of PMLE. It rarely affects the face. There is a genetic susceptibility in 1546% of cases where a positive family history is reported. Nearly all cases of porphyria cutanea tarda[18] exhibit blister formation on the skin within 24 days of light exposure. INTRODUCTION. If in doubt, call a doctor. Disclaimer. If you have any concerns with your skin or its treatment, see a dermatologist for advice. It wont leave any scarring. One common type is polymorphic light exposure (PMLE). Polymorphous light eruption is generallyuncomplicated but severe disease can lead to emotional distress, anxiety and depression. MNT is the registered trade mark of Healthline Media. Polymorphous light eruption: clinic aspects and pathogenesis.
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