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Pityriasis Alba—Common Disease, Enigmatic Entity: Up‐to‐Date Review of the Literature
Author(s) -
Miazek Nina,
Michalek Irmina,
PawlowskaKisiel Malgorzata,
Olszewska Malgorzata,
Rudnicka Lidia
Publication year - 2015
Publication title -
pediatric dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.542
H-Index - 73
eISSN - 1525-1470
pISSN - 0736-8046
DOI - 10.1111/pde.12683
Subject(s) - medicine , dermatology , etiology , atopic dermatitis , disease , calcineurin , incidence (geometry) , pityriasis , pharmacotherapy , pathology , surgery , physics , transplantation , optics
Pityriasis alba ( PA ) is a skin disorder that affects children and adolescents. Although it is common worldwide, its incidence is markedly higher in darker skin phototypes. Its characteristic features include an extended, multistage course and spontaneous remissions and recurrences. Preceded by erythematous changes, patches of hypopigmented skin of up to a few centimeters in diameter appear on the upper body. Pruritus may accompany it. Even though its etiology is unknown, possible reported triggering factors include sunlight, beauty treatments, and microorganisms, among others. Calcineurin inhibitors play the most crucial role in PA pharmacotherapy. PA often coexists with atopic dermatitis and is considered one of its milder forms.