Benign melanoma of the choroid in a beagle: ophthalmological, light and electron microscopical investigations.
A pigmented choroidal tumor was diagnosed in a 13-month-old male beagle. The tumor was observed ophthalmoscopically over a period of seven years. Light and electron microscopical features are those of a benign melanocytic tumor with marked histological similarities to uveal nevus in man.
D000818:Animals; D002830:Choroid Neoplasms / Q000473:pathology / Q000648:ultrastructure / Q000662:veterinary*; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005260:Female; D008297:Male; D008544:Melanocytes / Q000473:pathology; D008545:Melanoma / Q000473:pathology / Q000648:ultrastructure / Q000662:veterinary*; D008854:Microscopy, Electron