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Malignant ocular melanoma in a dog
Na-young Yi1, Shin-ae Park, Soo-won Park
1College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea.
Journal of Veterinary Science
|January 26, 2006
Summary
A three-year-old dog was diagnosed with malignant uveal melanoma in its right eye after presenting with glaucoma and vision loss. Surgical removal was necessary due to the suspected intraocular neoplasia.
Area of Science:
- Veterinary Ophthalmology
- Canine Neoplasia
- Ocular Pathology
Background:
- Glaucoma and vision loss are significant ophthalmic conditions in dogs.
- Intraocular masses can lead to secondary glaucoma and other complications.
- Early detection and diagnosis of canine eye diseases are crucial for treatment.
Observation:
- A three-year-old male dog presented with a one-month history of glaucoma in the right eye.
- Ophthalmic examination revealed hyphema, uveitis, an iridal mass, and vision loss.
- Advanced imaging (ultrasound and CT) showed a mass involving the entire uvea.
Findings:
- Histopathological examination confirmed a diagnosis of malignant uveal melanoma.
- Radiographs excluded distant metastasis, indicating a localized ocular tumor.
- Surgical enucleation of the affected eye was performed due to suspected neoplasia.
Implications:
- Malignant uveal melanoma is a rare but aggressive intraocular tumor in dogs.
- Accurate diagnosis through imaging and histology is essential for appropriate management.
- Enucleation may be the primary treatment for localized ocular tumors to prevent complications.