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Rev. chil. dermatol ; 26(1): 22-24, 2010. ilus, tab, graf
Article in Spanish | LILACS | ID: lil-570363

ABSTRACT

Antecedentes: El dermatofitoma subungueal es un fenómeno producido por dermatofitos. Se manifiesta clínicamente por un área redondeada o lineal blanco-amarillenta. Microscópicamente se observan conglomerados fúngicos formados por hifas y conidias. Objetivos: Determinar la frecuencia de dermatofitomas en los casos de onicomicosis observados en una Unidad de Micología. Metodología: Estudio retrospectivo y transversal de 100 pacientes con diferentes formas clínicas de onicomicosis y confirmación microscópica de dermatofitomas, de un total de 1.892 muestras estudiadas de mayo de 2008 a agosto de 2009. Resultados: El porcentaje de dermatofitomas fue de 5,3% (100/1.892) del total de estudios microscópicos de las onicomicosis analizados en una Unidad de Micología. Conclusiones: Los dermatofitomas son causados más frecuentemente por el género Trichophyton.


Background: Subungueal dermatophytoma is a phenomenon caused by dermatophytes. It is clinically characterized by a yellowish-white linear or round area. Microscopically it shows subungual fungal balls with hyphae and conidia. Objective: To know the frequency of dermatophytomas in cases of onychomycosis observed in a Unit of Micology. Methodology: Retrospective (May 2008 to August 2009) and transversal study of 100 cases of different clinical forms of onychomycosis with microscopic confirmation of fungal dermatophytomas, from a total of 1892 samples. Results: Dermatophytomas were observed in 5,3% (100/1892) of the total microscopic studies of analysed onychomycosis. Conclusions: Dermatophytomas are mainly caused by Trichophyton sp, but other dermatophytes like Microsporum canis may be involved.


Subject(s)
Humans , Male , Adolescent , Adult , Female , Infant, Newborn , Infant , Child, Preschool , Child , Middle Aged , Aged, 80 and over , Fungi/isolation & purification , Onychomycosis/epidemiology , Age and Sex Distribution , Aspergillus/isolation & purification , Cross-Sectional Studies , Chile/epidemiology , Microsporum/isolation & purification , Onychomycosis/microbiology , Retrospective Studies , Trichophyton/isolation & purification
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