Dermatophyte infections in the Lisbon and Tagus valley

Veríssimo, Cristina; Brandão, João; Simões, H.L.; Sabino, Raquel

http://hdl.handle.net/10400.18/3665

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Abstract(s)

A retrospective study was done in the Portuguese National Institute of Health, in order to establish the prevalence and characterize dermatophytic infections within the NUTSII region of Lisbon and Tagus Valley. The average frequency of dermatophyte infections was 21%. Tinea capitis was confirmed in 236 (28%) patients and was more prevalent in children from the group of 1–9 years old. In scalp dermatomycosis, Microsporum audouinii was the most frequently isolated species, followed by T. soudanense. Males were more affected (58%) than females (42%). Onychomycosis caused by dermatophytes were confirmed in 385 cases (46%). Other fungi recognized as cause of onychomycosis were not considered for this report. Skin samples were positive in 220 cases (26%). The most prevalent dermatophytes isolated in nail and skin samples were T. rubrum (206 and 93 isolates, respectively) and T. mentagrophytes with (49 and 39 isolates respectively).Our results showed a high prevalence of anthropophilic species (M. audouinii and T. soudanense) in the region of Lisbon and Tagus valley, where the number of foreign citizens from African countries is higher.