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Onychomycosis Caused by Fusarium spp. in Dakar, Senegal: Epidemiological, Clinical, and Mycological Study

Khadim Diongue1,2, Mouhamadou Ndiaye1,2, Mame Cheikh Seck1,2

  • 1Laboratoire de Parasitologie-Mycology, CHU Le Dantec, BP 5005, Dakar, Senegal.

Dermatology Research and Practice
|January 20, 2018
PubMed

Insights

Fusarium species are common causes of non-dermatophyte onychomycosis. This study identified 17 cases in Dakar, Senegal, with Fusarium solani complex being the most frequent species.

Area of Science:

  • Medical Mycology
  • Infectious Diseases

Background:

  • * *Fusarium* species are significant non-dermatophyte fungi causing onychomycosis.
  • * Onychomycosis prevalence varies globally, with *Fusarium* being a notable pathogen.

Purpose of the Study:

  • * To describe the clinical and mycological features of 17 *Fusarium* onychomycosis cases.
  • * To identify the predominant *Fusarium* species in Dakar, Senegal.

Main Methods:

  • * Retrospective analysis of diagnosed onychomycosis cases from 2014-2016.
  • * Mycological examination including direct microscopy and fungal culture.
  • * Inclusion criteria: patients with suspected onychomycosis and positive mycological analysis after repeat testing.

Main Results:

  • * 17 cases of *Fusarium* onychomycosis diagnosed (12.9% of all onychomycoses).
  • * Predominantly affected toenails (12/17) in adults (mean age 44 years), mostly immunocompetent.
  • * *Fusarium solani* complex was the most frequently isolated species.

Conclusions:

  • * *Fusarium* is a relevant cause of onychomycosis in Dakar.
  • * Distal subungual onychomycosis is the common clinical presentation.
  • * Susceptibility testing is crucial for managing potential disseminated infections, especially in immunocompromised individuals.

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