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Tinea capitis in Campania, Italy: a 9-year retrospective study
G Calabrò1, A Patalano, E Fiammenghi
1Department of Clinical Medicine and Surgery‑Dermatology Federico II University, Naples, Italy - gcalabro@unina.it.
Aim:
The present work was carried out to study the prevalence of Tinea capitis (TC) in Campania over a 9-year period and also to delineate the prevalence of the causative fungus responsible and the clinical forms of tinea capitis.
Methods:
This retrospective study included all the cases of TC occurring between January 2004 and December 2012 to the Mycology Laboratory at the University of Naples "Federico II" and mycologically confirmed. Samples for potassium hydroxide 20% mounts and fungal cultures were collected. Sabouraud dextrose agar were inoculated with the samples.
Results:
TC was diagnosed by direct microscopy and culture in 143 patients. TC was found to be most common in the group including patients aged between 1-18 years; 13% of patients were over 18 years old. Non-inflammatory clinical forms were the most common type (80.4%). M. canis was the dermatophyte most frequently isolated (64.1%). Microscopic examination revealed an ectothrix pattern of hair invasion to be more common (72% cases).
Conclusion:
TC was clinical and mycologically diagnosed in 143 patients. It was prevalent in patients aged 1-18 years old; 73.2% of adults affected by TC had possible risk factors and in these patients TC often presented in atypical forms; atypical forms were also observed in children. M. canis was the most common dermatophyte species isolated in children, T. rubrum in adults. We noticed a significant increase of anthropophilic dermatophytes possibly linked to the immigration from African countries. For the diagnosis of TC, mycological examinations are essential.
