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A case report of Penicillium chorioretinitis in a Border Collie dog
Abstract:
Systemic fungal pathogens typically gain entry through a single portal and disseminate to affect multiple body systems. Infections caused by fungal Penicillium species are rare in dogs, and these cases have a poor prognosis. An unknown Penicillium species was isolated from the right eye of a middle-aged Border Collie without evidence of systemic disease. Due to financial limitations, an extensive diagnostic evaluation could not be performed. Histopathology alone failed to identify the specific causative agent; however, fungal culture on aqueous humor provided the definitive diagnosis. This case highlights the advantage of collecting ocular fluids after enucleation to diagnose atypical fungal infections.
Insights
A rare fungal eye infection in a dog was diagnosed using aqueous humor culture. This method proved superior to histopathology for identifying the unknown Penicillium species, aiding in atypical fungal infection diagnosis.
Area of Science:
- Veterinary Medicine
- Mycology
- Ophthalmology
Background:
- Systemic fungal pathogens commonly infect through one route and spread.
- Penicillium fungal infections in dogs are infrequent and often have a grave outcome.
- Ocular fungal infections can present diagnostic challenges.
