Riehl melanosis is a form of contact dermatitis, beginning with pruritus, erythema, and pigmentation that gradually spreads which, after reaching a certain extent, becomes stationary.{rp|857} The pathogenesis of Riehl melanosis is believed to be sun exposure following the use of some perfumes or creams (a photocontact dermatitis).{rp|858} ...
Found on
http://en.wikipedia.org/wiki/Riehl_melanosis
Type: Term Pronunciation: rēl Definitions: 1. a brown pigmentary condition of the exposed portions of the skin of the neck and face with melanin pigment in dermal macrophages, thought to result from photodermatitis due to materials, such as cosmetic ingredients, or oils encountered in various occupations.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=53734
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