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Molecular diagnosis of onychomycosis

Abstract : Onychomycosis is a frequent cause of nail infections due to dermatophytes. Molds and yeast may also be responsible of these pathologies. Antifungal treatments are frequently given without a mycological diagnosis, partly because of the requisite time for obtaining the biological results. The mycological diagnosis requires a direct microscopic examination and a culture in order to accurately identify the fungal genus and species. Nevertheless, this conventional diagnosis is often time consuming due to the delay of fungal cultures and presents disadvantages that make it not sufficient enough to give a precise and confident response to the clinicians. Therefore additional tests have been developed to help distinguish onychomycosis from other nail disorders. Among them, molecular biology techniques offer modern and rapid tools to improve traditional microbiological diagnosis. In this review, we first present the conventional diagnosis methods for onychomycosis and then we describe the main molecular biology tools and the currently available commercial kits that allow a rapid detection of the pathology.
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Submitted on : Friday, March 17, 2017 - 11:34:27 AM
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D. Petinataud, S. Berger, N. Contet-Audonneau, M. Machouart. Molecular diagnosis of onychomycosis. Journal of Medical Mycology / Journal de Mycologie Médicale, Elsevier Masson, 2014, 24 (4), pp.287 - 295. ⟨10.1016/j.mycmed.2014.10.008⟩. ⟨hal-01491692⟩



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