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[Interdigital tinea pedis resulting from Fusarium spp. in Dakar, Senegal]
K Diongue1, M A Diallo2, M Ndiaye1
1Laboratoire de parasitologie-mycologie, CHU Aristide-Le-Dantec, BP 16477, Dakar, Sénégal; Service de parasitologie-mycologie, faculté de médecine, de pharmacie et d'odontologie, université Cheikh-Anta-Diop, BP 5005, Dakar, Sénégal.
Introduction:
Fungal interdigital tinea pedis (ITP) is a common pathology mainly due to dermatophytes and yeasts. Fusarium sp. is rarely incriminated in the genesis of intertrigo. In Dakar, a recent study conducted in 2016 on fungal ITP showed that Fusarium were more involved in the etiology of ITP than dermatophytes, coming just after yeasts dominated by Candida. Following this, we wanted to draw attention to the increasing incidence of ITP resulting from Fusarium spp., in Dakar, Senegal, and to analyze the epidemiological and mycological particularities of these ITP due to Fusarium spp.
Patients And Methods:
A retrospective study including all patients received at the laboratory for suspicion of ITP between January 1st, 2014 and June 30th, 2017 was conducted. Diagnosis was based on mycological examination, including direct examination and culture. Mycological analysis was considered positive when direct examination and culture were positive after at least one repeat.
Results:
Twenty-nine cases of Fusarium ITP accounting for 44.6% of all ITP in the study period were diagnosed in 15 men and 14 women. The mean age of the patients was 48.4 years. Fusarium ITP were diagnosed in immunocompetent patients except in two diabetics. The mean duration of the lesions was 6.83 years. The most frequent species isolated belonged to the Fusarium solani complex with 19 cases.
Conclusion:
Fusarium ITP in a healthy subject requires regular monitoring because any subsequent decrease in immune defenses could lead to fatal hematogenous spread.
Insights
Fusarium species are increasingly causing interdigital tinea pedis (ITP) in Dakar, Senegal. This study highlights the epidemiological and mycological features of Fusarium ITP, emphasizing its growing prevalence.
Area of Science:
- Mycology
- Dermatology
- Infectious Diseases
Context:
- Fungal interdigital tinea pedis (ITP) is common, typically caused by dermatophytes and yeasts.
- Fusarium species are infrequently implicated in intertrigo, but a 2016 study in Dakar indicated their rising role in ITP etiology.
- This study addresses the increasing incidence of Fusarium-related ITP in Dakar, Senegal.
Purpose:
- To investigate the increasing incidence of interdigital tinea pedis (ITP) caused by Fusarium species in Dakar, Senegal.
- To analyze the epidemiological and mycological characteristics of Fusarium-induced ITP.
- To raise awareness regarding Fusarium spp. as a significant cause of ITP.
Summary:
- A retrospective study from January 2014 to June 2017 identified 29 cases of Fusarium ITP (44.6% of all ITP cases).
- The mean patient age was 48.4 years, with most cases occurring in immunocompetent individuals, except for two diabetics.
- Fusarium solani complex was the most frequently isolated species (19 cases), with lesions persisting for an average of 6.83 years.
Impact:
- Highlights Fusarium species as a notable cause of ITP in Dakar, Senegal.
- Underscores the need for increased vigilance and accurate mycological diagnosis of Fusarium ITP.
- Suggests that Fusarium ITP in healthy individuals warrants monitoring due to potential risks with decreased immunity.
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