Onychomycosis (OM) or fungal nail infection is one of the most common fungal infections, which is increasingly prevalent. OM is caused by dermatophytes spp, yeasts and non-dermatophyte moulds (NDMs). The purpose of this study was to identify and determine the prevalence rates, predisposing factors and causative agents of OM using clinical symptoms and microscopic morphometric findings.
Materials and methods
In the present study, 180 patients suspected of OM were evaluated by direct microscopy using KOH 20%, culturing in Mycosel and Sabouraud dextrose agar media and Olysia software for identifying the causative fungi of OM.
From 180 referred patients, 118 (65.56%) had OM, of whom 79 (66.94%) were positive for infection with dermatophytes spp. Of the 79 cases, the commonest age group was 61-70 years (21%) with males being 46 (58.23%) and females being 33 (41.77%). Both the fingernail and toenail infections were most prevalent in male patients. Sex, diabetes and age above 60 years were significant predisposing factors for OM development. DLSO was observed as the only clinical pattern of OM and T. rubrum was the commonest dermatophyte isolate (49.34%).
This study showed that T. rubrum was the most common dermatophyte agent of OM in Iran.Le texte complet de cet article est disponible en PDF.
Keywords : Onychomycosis, Dermatophytes spp., Causative agents, Predisposing factor, Iran
Abbreviations : OM, NDMs, SDA, DLSO, LSO, DSO, PSO, WSO, CI, OR
Vol 28 - N° 1P. 45-50 - mars 2018 Retour au numéro
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