Polymorphous Light Eruption Clinic Aspects and Pathogenesis
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作者:
Gruber-Wackernagel, Alexandra
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Med Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, Austria
Gruber-Wackernagel, Alexandra
[1
]
Byrne, Scott N.
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Univ Sydney, Royal Prince Alfred Hosp, Sydney Med Sch, Dept Dermatol, Darlington, NSW 2006, AustraliaMed Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, Austria
Byrne, Scott N.
[2
]
Wolf, Peter
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Med Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, Austria
Wolf, Peter
[1
]
机构:
[1] Med Univ Graz, Dept Dermatol, Res Unit Photodermatol, A-8036 Graz, Austria
[2] Univ Sydney, Royal Prince Alfred Hosp, Sydney Med Sch, Dept Dermatol, Darlington, NSW 2006, Australia
Polymorphous light eruption is an immunologically mediated photodermatosis with high prevalence, particularly among young women in temperate climates, characterized by pruritic skin lesions of variable morphology, occurring in spring or early summer on sun-exposed body sites. A resistance to ultraviolet radiation (UVR)-induced immunosuppression and a subsequent delayed-type hypersensitivity response to a photoantigen have been suggested as key factors in the disease. Molecular and immunologic disturbances associated with disease pathogenesis include a failure of skin infiltration by neutrophils and other regulatory immune cells on UVR exposure linked to a disturbed cytokine microenvironment. Standard management is based on prevention.