Peer-reviewed veterinary case report
Dog skin fungus infection caused by human Trichophyton tonsurans
By Brilhante, R S N et al.·Published in Journal of medical microbiology·2006·View original on PubMed →
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Original publication title: Canine dermatophytosis caused by an anthropophilic species: molecular and phenotypical characterization of Trichophyton tonsurans.
- Species:
- dog
Plain-English summary
A dog in Brazil was diagnosed with a skin infection caused by a rare type of fungus called Trichophyton tonsurans, which usually affects humans. The dog showed symptoms typical of skin infections, such as hair loss and itching. To treat the infection, the veterinarian used antifungal medications, including griseofulvin, ketoconazole, and itraconazole, which were effective against the fungus. The dog responded well to the treatment and showed improvement in its skin condition.
People also search for: dog skin infection treatment · Trichophyton tonsurans in dogs · antifungal medication for dog skin problems
Abstract
Microsporum canis is the most common species isolated from canine and feline dermatophytosis in the world. However, this study reports a rare case of canine dermatophytosis caused by the anthropophilic dermatophyte Trichophyton tonsurans in the city of Fortaleza, Ceará, Brazil. The fungal characterization was performed by classical mycological examination and by genotypical analysis using the restriction enzymes Sau3A, RsaI, DdeI and EcoRI. The phenotypical characteristics were compatible with T. tonsurans. The results obtained in the genotypical analysis were similar to the digestion pattern of the ITS sequences for T. tonsurans strains. In addition, an antifungal susceptibility test was performed with griseofulvin, ketoconazole and itraconazole. The MICs were 0.5 microg ml(-1) for griseofulvin, 0.25 microg ml(-1) for ketoconazole and 1 microg ml(-1) for itraconazole. This study emphasizes the adaptability of anthropophilic fungi such as T. tonsurans to animal conditions.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/17030920/