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  • Title: [Trichophyton benhamiae, an emergent zoonotic pathogen in Argentina associated with Guinea pigs: Description of 7cases in Buenos Aires].
    Author: Maldonado I, Elisiri ME, Monaco M, Hevia A, Larralde M, Fox B, Refojo N, Iachini R, Santos Muñoz A, Leitner R, Luna P, Meirama L, Abad E, Ruiz Diaz N, Fernández J, Fernández-Canigia L.
    Journal: Rev Argent Microbiol; 2022; 54(3):203-208. PubMed ID: 33838969.
    Abstract:
    Trichophyton benhamiae is a zoonotic dermatophyte that can cause tinea corporis, tinea faciei and tinea capitis, producing inflammatory lesions, especially in children. In this publication, we describe 7clinical cases of pediatric patients that occurred in our institution between July 2019 and January 2020. All patients underwent a conventional mycological study. The identification of fungi isolates was confirmed by MALDI-TOF MS and sequencing of the ribosomal DNA. T. benhamiae was identified as the etiological agent, whose epidemiological link in all cases was the contact with Guinea pigs. This is the first description of infections caused by T. benhamiae in Argentina. This dermatophyte can be misidentified as other more frequent dermatophytes when performing conventional studies. Molecular technology should be used to reach a definitive diagnosis. It is important to have epidemiological data from patients such as contact with non-traditional pets, especially Guinea pigs, for an adequate presumptive diagnosis of this dermatophytosis.
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