Case Report 10
Submitted by Jaime Eduardo Elizondo Cantú / Jacques Guillot (jacques.guillot@oniris-nantes.fr)
| Host animal | Domestic cat |
| Case description | A 3-year-old male Ragdoll cat with large and ulcerated nodules between the shoulders and on the dorso-lumbar region. The nodules were not pruritic or painful. They progressively developed during the last 6 months Otherwise healthy |
| Cytology and/or histopathology | Multifocal, nodular dermatitis with numerous, large, coalescing foci of pyo‐granulomatous inflammation surrounding multiple, irregular, basophilic hyphae‐like elements in a granular, faintly eosinophilic matrix (hyaline grains). These elements were strongly positive on Gomori Grocott staining. |
| Geographic origin of the animal | Monterrey, Mexico |
| Etiologic agent and identification method | Microsporum canis / Culture on Sabouraud dextrose agar |
| Outcome | The cat was euthanized due to poor response to systemic antifungal therapy (itraconazole) |
