Peer-reviewed veterinary case report
Dog with red hair loss and skin scales from Chaetomium globosum
By Sugiyama, Kazutoshi et al.·Published in Medical mycology·2008·Sugiyama Veterinary Clinic, Japan·View original on PubMed →
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Original publication title: Three isolations of Chaetomium globosum from erythematous epilation of canine skin.
- Species:
- dog
Plain-English summary
A 4-month-old mixed-breed male dog was brought in with red, inflamed patches on his skin, causing hair loss and some itching. The affected area was about 7.5 cm wide and located near his eye, with similar lesions on his ears, tail, and heels. The vet identified a fungal infection caused by Chaetomium globosum and treated the dog with ketoconazole, both orally and topically. After 9 weeks of treatment, the dog's skin healed, and new hair began to grow back.
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Abstract
Chaetomium globosum is commonly found in natural environments worldwide and is known to be a causative agent for emerging fungal infections. The present study describes a case of erythematous epilation of a dog caused by C. globosum. A mixed-breed young dog, a 4-months-old male, weighing 7.25 kg, showed depilation, scales, and dermatitis with slightly itchiness on his skin. The main symptom was an erythematous epilation on the left subocular skin 7.5 cm in diameter, accompanied by elephantiasis-like hyperplasia and scales. Similar lesions were observed on the skin on both sides of the ear lobes, the heels, tail, and left angulus oris. The scales from the crusted lesion were cultured on chrolamphenicole-added potato dextrose agar plates at the first visit, as well as followed by ambulatory practices. The isolates at the first visit, 1 and 3 weeks after treatment, were identified as C. globosum by mycological study and the D1/D2 domain of the large subunit rRNA gene sequence. The patient dog was treated by ketoconzole both orally and externally. The lesions were cured, showing new hair growth 9 weeks later. In addition, the susceptibilities to antifungal agents for the present C. globosum isolate were as follows: amphotericin B, 4.0 microg/ml; 5-FC 64.0 microg/ml; itraconazole, 0.5 microg/ml; miconazole, 1.0 microg/ml; fulconazole, 16.0 microg/ml; ketoconazole, 0.25 microg/ml; and micafungin, 16.0 microg/ml.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/18608918/