Peer-reviewed veterinary case report
Dog with eye melanoma that spread to the brain
By Galán, A et al.·Published in The Journal of small animal practice·2009·Department of Animal Medicine and Surgery, Spain·View original on PubMed →
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Original publication title: Presumed primary uveal melanoma with brain extension in a dog.
- Species:
- dog
Plain-English summary
A 13-year-old female mixed cocker spaniel was brought in because her right eye was bulging and had a mass. An ultrasound showed a tumor inside the eye, leading to a diagnosis of a type of eye cancer called melanoma. The recommended treatment was to remove the eye, which was done, and the tumor type was confirmed afterward. Unfortunately, three months later, the dog started having severe seizures that didn't respond to treatment, and a brain scan suggested the cancer had spread. Due to the poor prognosis, the owners decided to euthanize their dog.
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Abstract
A 13-year-old, female, mixed, cocker spaniel was examined for a unilateral exophthalmia and protruding mass in episcleral region of the right eye. Mode B ocular ultrasonography revealed a mass extended intraocular from anterior chamber to posterior pole without evidence of extraocular extension. A presumptive diagnosis of melanocytic tumour was made. A complete blood count and chemistry and thoracic radiographs did not show any abnormal changes. The recommended treatment was enucleation, and melanocytic nature of the tumour was confirmed by immunohistochemistry. Three months after surgery, the animal showed a status epilepticus refractory to treatment. Computed tomographic examination of the brain revealed changes compatible with a tumour. Cerebrospinal fluid analysis was normal. Because of the poor clinical prognosis, the owners elected to have the dog euthanased.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19527424/