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Vol. 126. Issue S1.
Pages 7-13 (January 2006)
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Vol. 126. Issue S1.
Pages 7-13 (January 2006)
Etiopatogenia y tratamiento de la pitiriasis versicolor
Etiology, pathogenesis and treatment of pityriasis versicolor
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124255
José Manuel Fernández-Vozmedianoa, José Carlos Armario-Hitaa
a Servicio de Dermatología. Hospital Universitario de Puerto Real. Universidad de Cádiz. Cádiz. España.
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La pitiriasis versicolor es una infección fúngica superficial de la piel producida por hongos lipofílicos dimórficos pertenecientes al género Malassezia spp., que forman parte de la flora normal de la piel. De las especies descritas, las responsables más frecuentes de la clínica son M. globosa, M. sympodialis y M. furfur. En España, el agente patógeno más frecuente es M. globosa. Se presenta en forma de máculas redondas u ovales de pequeño a mediano tamaño y coloración, eritematosas, hiperpigmentadas o hipopigmentadas. Su superficie suele estar cubierta por una fina descamación. Son más frecuentes en las áreas de distribución de las glándulas sebáceas, sobre todo en el tercio superior del tronco, de forma especial en la espalda, la raíz de los miembros superiores, el cuello y con menor frecuencia en la cara. En su tratamiento se han utilizado diferentes agentes terapéuticos tópicos (ciclopiroxolamina, azoles, griseofulvina, terbinafina, succinato de litio) o sistémicos (ketoconazol, itraconazol, fluconazol).
Palabras clave:
Pitiriasis versicolor
Tinea versicolor
Micosis superficiales cutáneas
Malasezzia spp
Pityriasis versicolor is a superficial fungal infection of the skin produced by lipophilic dimorphic fungi belonging to the genus Malassezia spp, which form part of the normal skin flora. Of the species described, those most frequently producing symptoms are M. globosa, M. sympodialis and M. furfur. In Spain, the most frequent pathogenic agent is M. globosa. It most frequently presents as small or mediumsized circular or oval, erythematous, hyperpigmented or hypopigmented macules. The surface is usually covered by fine desquamation. The most frequently affected areas are those supplied by the sebaceous glands, mainly the upper third of the trunk, especially the shoulder, proximal upper extremities, the neck, and less frequently, the face. Various topical agents (ciclopirox olamine, azoles, griseofulvin, terbinafine, lithium succinate) and systemic agents (ketoconazole, itraconazole, fluconazole) have been used in the treatment of pityriasis versicolor.
Keywords:
Pityriasis versicolor
Tinea versicolor
Superficial cutaneous mycoses
Malassezia spp

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