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Primary intranasal melanoma with brain invasion in a dog
Julie Lemetayer1, Ahmad Al-Dissi1, Kim Tryon1
1Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1 (Lemetayer); Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4 (Al-Dissi, Tryon, MacDonald-Dickinson).
Abstract:
A 6-year-old castrated male boxer dog with right-sided dark purulent nasal discharge and acute bilateral blindness was diagnosed on magnetic resonance imaging (MRI) and then on necropsy with primary nasal malignant melanoma that extended into the brain, as well as concurrent ocular melanosis. There was no evidence of metastasis in other organs.
