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Title: Frequency and aetiology of dermatophytosis in children age 12 and under in the state of Amazonas, Brazil
Authors: Cortêz, Ana Cláudia Alves
Souza, João Vicente Braga de
Sadahiro, Aya
Oliveira, José Augusto Almendros de
Keywords: Potassium Hydroxide
Age Distribution
Arm Disease
Child Health
Controlled Study
Epidermophyton Floccosum
Face Disorder
Fungus Culture
Fungus Isolation
Major Clinical Study
School Child
Sex Difference
Tinea Capitis
Tinea Corporis
Tinea Pedis
Trichophyton Mentagrophytes
Trichophyton Rubrum
Trichophyton Tonsurans
Child, Preschool
Arthroderma Benhamiae
Epidermophyton Floccosum
Tinea Cruris
Tinea Pedis
Trichophyton Rubrum
Trichophyton Tonsurans
Issue Date: 2012
metadata.dc.publisher.journal: Revista Iberoamericana de Micologia
metadata.dc.relation.ispartof: Volume 29, Número 4, Pags. 223-226
Abstract: Background: Few scientific studies have evaluated dermatophytosis among children in the state of Amazonas or in the greater northern region of Brazil. Aims: The aim of this study was to research the frequency and aetiology of dermatophytosis in children age 12 and under, who were seen between March 1996 and November 2005 at the Mycology Laboratory of the National Institute of Amazonian Research. Methods: For mycological diagnoses, epidermal scales and/or hairs were used. A portion of this material was treated with potassium hydroxide for direct examination, and another portion was cultivated in Mycobiotic Agar for the isolation of dermatophytes. Results: Of the 590 samples analysed, 210 showed positive diagnoses by direct examination and cultivation. Tinea capitis (153 cases) was the most frequent type of dermatophytosis, and Trichophyton tonsurans (121 cases) was the most frequently isolated fungal agent. Tinea corporis was observed in 48 cases where the most frequently isolated fungal agent was also T. tonsurans (17 cases), and the corporal regions most affected were the face, arms and trunk. The laboratory confirmed tinea pedis in 6 cases, and the principal fungal agents isolated were Trichophyton rubrum (3) and Trichophyton mentagrophytes (3). The presence of tinea cruris was confirmed in 3 cases, and T. rubrum, T. tonsurans and Epidermophyton floccosum were isolated from these cases. Conclusions: The children examined were primarily affected by tinea capitis, and the main fungal agent for this dermatophytosis was T. tonsurans. © 2011 Revista Iberoamericana de Micología.
metadata.dc.identifier.doi: 10.1016/j.riam.2012.02.004
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