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Multifocal ocular histoplasmosis in a dog and cat
Journal of the American Veterinary Medical Association
|April 1, 1980
Summary
Disseminated histoplasmosis can cause multifocal eye lesions in animals. Histoplasma capsulatum was identified in active choroiditis and retinitis cases in a cat and a dog.
Area of Science:
- Veterinary Ophthalmology
- Mycology
- Infectious Diseases
Background:
- Disseminated histoplasmosis is a systemic fungal infection.
- Ocular involvement can occur but is less commonly reported.
Observation:
- Two cases of naturally occurring disseminated histoplasmosis were studied.
- Multifocal inflammatory lesions were observed in the posterior segment of the eyes in both animals.
Findings:
- Histologic examination revealed active choroiditis in a cat.
- Histologic examination revealed active retinitis in a dog.
- Numerous Histoplasma capsulatum organisms were associated with the ocular lesions.
Implications:
- This study highlights the potential for severe ocular pathology in disseminated histoplasmosis.
- Early recognition of ocular signs may aid in diagnosing systemic fungal infections.
- Further research into ocular manifestations of Histoplasma capsulatum is warranted.