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

Updated: Jan 22, 2020
  • Author: Saud A Alobaida, MBBS, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Deng et al used a questionnaire to survey 4899 residents (49% men and 51% women) from randomly selected Chinese villages in several counties at different altitudes and with different ethnic majorities. [27] The prevalence of PMLE was 32 (0.65%) in 4899 residents and was 3.8 times higher in women compared with men. At higher elevations, the prevalence of PMLE increased. The mean time of sun exposure for PMLE was 6 h/day. The mean duration of PMLE was 5.8 years. [27]

A report from India in 2013 notes that PMLE is the most common photodermatitis after chronic actinic dermatitis, while hydroa vacciniforme and solar urticaria are uncommon. [28] Furthermore, this report stated lichenoid PMLE and pinpoint papular PMLE are the most common types found in the subcontinent.

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