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Anais Brasileiros de Dermatologia

Print version ISSN 0365-0596On-line version ISSN 1806-4841


MIRANDA, Sandra Maria Bitencourt et al. Pityriasis rosea. An. Bras. Dermatol. [online]. 2008, vol.83, n.5, pp.461-469. ISSN 0365-0596.

Pityriasis rosea is a skin disease characterized by acute inflammation that fades away spontaneously without scar tissue formation for an average period of 4 to 8 weeks. Clinically, it is characterized by the occurrence of typical erythematous papulosquamous lesions distributed mainly over the trunk and extremities. It affects people of all ages, but is more often observed in the age range of 10 to 35 years. Even though it is extensively studied, its etiology remains unknown. In this study, the authors analyze some epidemiologic aspects, differential diagnosis, related diseases, and give special attention to treatment and possible etiology.

Keywords : HLA antigens; Pityriasis rosea; Pityriasis rosea [diagnosis]; Pityriasis rosea [etiology]; Pityriasis rosea [therapy].

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