Peer-reviewed veterinary case report
Skin fungus and itchy bumps in Devon Rex cats
By Colombo, Silvia et al.·Published in Journal of feline medicine and surgery·2012·colombo_silvia@yahoo.it·View original on PubMed →
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Original publication title: Dermatophytosis and papular eosinophilic/mastocytic dermatitis (urticaria pigmentosa-like dermatitis) in three Devon Rex cats.
- Species:
- cat
Plain-English summary
Three Devon Rex cats were brought to the vet with red, raised bumps on their skin, some of which had crusts and darkened areas. One cat also had patches of hair loss on its back. The vet diagnosed them with a skin condition linked to a fungal infection (dermatophytosis) and a specific type of dermatitis. After starting antifungal treatment, all the cats' skin lesions cleared up completely.
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Abstract
UNLABELLED: PRESENTING SIGNS: Three Devon Rex cats were presented with multiple erythematous papules, occasionally associated with crusting and hyperpigmentation, with a linear distribution on the head, neck, chest and abdomen. One cat also had multifocal alopecia with hyperpigmentation on the dorsum. DIAGNOSIS AND TREATMENT: Clinical and histopathological features were suggestive of papular eosinophilic/mastocytic dermatitis (urticaria pigmentosa-like dermatitis). In all cases, dermatophytosis was diagnosed: in cases 1 and 2 there was histopathological evidence of dermatophytosis, while fungal culture was positive for Microsporum canis in cases 2 and 3. In all cats, lesions disappeared following antifungal treatment. CLINICAL SIGNIFICANCE: Papular eosinophilic/mastocytic dermatitis in Devon Rex cats may represent either an atypical presentation of dermatophytosis or a clinical and histological reaction pattern to various diseases, including dermatophytosis and allergic diseases. Clinical differentiation is crucial as there are important implications regarding treatment and, in particular, the use of glucocorticoids, which are contraindicated in cases of dermatophytosis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22736683/