Resumen

FORERO LAGUADO, Nancy. Ashy dermatosis - erythema dyschromicum perstans. Medicas UIS [online]. 2012, vol.25, n.1, pp.79-85. ISSN 0121-0319.

The ashy dermatosis or erythema dyschromicum perstans was described by Oswaldo Ramírez from El Salvador in 1957. It is an acquired, chronic, idiopathic hypermelanosis of long-standing evolution that is characterized by blue-gray color macules that look like ash. It usually affects the face, neck, trunk, and extremities. Most of the cases have been reported in Latin America and Asia. It usually affects dark skin people of both sexes and from ages ranging from one to eighty years. The diagnosis is achieved by clínico-pathological correlation because of the similarities with other disease such as lichen planus pigmentosus and idiopathic eruptive macular pigmentation. Since its discovery, many therapeutic regimes have been tried, but dapsone and clofazimine are the most effective choices. The clinical case is about a 41 year old woman with gray lesions on the face, neck and arms, who was diagnosed by dermatologist like xerosis and lichen planus, handled for 3 years with moisturizers creams, corticosteroids and antihistamines until a biopsy specimen was taken, the ashy dermatosis was identified and the treatment with clofazimine was started, producing great improvement.(MÉD.UIS. 2011;25(1):79-85).

Palabras clave : Eritema discrómico perstans; Hipermelanosis; Dapsona; Clofazimida.

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