Peer-reviewed veterinary case report
Two dogs with fungal skin nodules caused by Microsporum canis
By Abramo, F et al.·Published in Veterinary dermatology·2001·Department of Animal Pathology, Italy·View original on PubMed →
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Original publication title: Two cases of dermatophytic pseudomycetoma in the dog: an immunohistochemical study.
- Species:
- cat
Plain-English summary
A dog was found to have unusual lumps under the skin, which were diagnosed as dermatophytic pseudomycetoma, a fungal infection that can cause nodules. Tests showed that the fungus responsible was Microsporum canis, which is known to affect both dogs and cats. This case is significant as it is one of the first documented instances of this condition in dogs. The diagnosis was confirmed using special staining techniques that highlighted the fungal elements. Treatment details were not provided, but early diagnosis is crucial for effective management of such infections.
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Abstract
Two cases of canine dermatophytic pseudomycetoma resulting in subcutaneous nodules resembling those previously reported in Persian cats are described. Culture performed from one nodule yielded dark yellow colonies consistent with Microsporum canis. Immunohistochemistry, using rabbit anti-M. canis, demonstrated specific binding to fungal elements in paraffin sections. The specificity of the antiserum was further tested by an agar gel immunodiffusion assay using a soluble extract from a feline isolate of M. canis as antigen. The antiserum did not cross-react with an Aspergillus fumigatus antigen. These are the first two reported cases of canine dermatophytic pseudomycetoma and immunohistochemical staining supported the diagnosis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/11493404/