Autoimmune Photodermatoses

Authored by: John L. M. Hawk

Handbook Ofphotomedicine

Print publication date:  October  2013
Online publication date:  October  2013

Print ISBN: 9781439884690
eBook ISBN: 9781439884706
Adobe ISBN:


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Polymorphic light eruption (PMLE) is very common worldwide, affecting some 20% of southern Scandinavians, 10%–15% of northern Americans and southern British, and 5% of southern Australians (Pao et al. 1994), but almost no equatorial Singaporeans. Its prevalence therefore decreases steadily with decreasing latitude, although this has been challenged in a later study, but purely of indoor workers with no regular sun exposure (Rhodes et al. 2010).

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