The results of this study indicate a low prevalence of pathogenic dermatophytes in pet guinea pigs in Southern Italy but the presence of Epidermophyton and Scopulariopsis species in asymptomatic pet guinea pigs.
Background
There are limited clinical studies evaluating the Trichophyton mentagrophytes complex, with most reports confined to small case studies. Additionally, the studies are dated and provide limited information on response to newer or currently available therapies.
Hypothesis/Objectives
The aim of the study was to determine if there is a breed prevalence, lesion distribution and seasonality associated with the T. mentagrophytes complex for dogs evaluated in the central United States. An additional aim of the study was to evaluate response to therapies because there are minimal data available on clinical response with newer systemic antifungal drugs.
Animals
A total of 64 canine medical records were evaluated that had a previous diagnosis of T. mentagrophytes complex infection.
Materials and Methods
A retrospective study of medical records to evaluate signalment, time of onset of clinical signs, clinical presentation and therapeutic management.
Results
A higher incidence of T. mentagrophytes complex infection was observed in the American Kennel Club (AKC) Sporting group (43%) and Terrier group (20%). A seasonal influence was noted, with the onset of clinical signs being highest in October. Lesions most often affected the muzzle (48%), followed by the head excluding the pinnae (21%). Ketoconazole, itraconazole and terbinafine appeared equivalent as systemic therapeutic options to treat T. mentagrophytes complex infections.
Conclusions and Clinical Relevance
This study identified patterns in breeds, seasonality and lesion distribution for the T. mentagrophytes complex in dogs from the central United States. Additionally, the study found several reasonable and reliable treatment options for systemic therapy.
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