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Anais Brasileiros de Dermatologia

On-line version ISSN 1806-4841

Abstract

GUIMARAES, Guilherme Cenci; BASTOS FILHO, Antônio Francisco  and  ARRUDA, Lucia Helena Fávaro. Case for diagnosis. An. Bras. Dermatol. [online]. 2007, vol.82, n.3, pp. 277-279. ISSN 1806-4841.  http://dx.doi.org/10.1590/S0365-05962007000300012.

Pityriasis rotunda is a rare dermatosis characterized by sharply defined, hypo- or hyperpigmented circular plaques, located in the trunk and proximal extremities. There are two described subtypes: type I affects Black or Eastern patients without family history of pityriasis rotunda and is associated with simultaneous systemic illness; type II occurs in Caucasians with a family history of pityriasis rotunda and without underlying disease. In this article we report the case of type I pityriasis rotunda in a 39-year-old black woman.

Keywords : Adult; Neoplasms; Skin diseases, genetic; Skin manifestations.

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