What is the prevalence of polymorphous light eruption (PMLE) in the US?

Updated: Jan 22, 2020
  • Author: Saud A Alobaida, MBBS, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Answer

Polymorphous light eruption (PMLE) affects about 10-20% of the US and Western Europe population. [25] This figure is likely to be an underestimate because many patients do not seek medical attention. Additionally, many of the photodermatoses were previously lumped together before their individual pathogeneses were identified. PMLE is now a distinct clinical entity, as are many of the other photodermatoses (eg, solar urticaria, photoallergic dermatitis, hydroa vacciniforme, chronic actinic dermatitis, erythropoietic porphyria, lupus erythematosus).

Benanni et al noted a low incidence of PMLE in renal transplant recipients; this can be attributed to the immunosuppressants used to prevent rejection. [26]


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