title: Bilateral chorioretinitis, centripetal optic neuritis, and encephalitis in a llama.
abstract: Blindness characterized by dilated, unresponsive pupils and ophthalmoscopic evidence of optic nerve atrophy and retinal degeneration developed in a 5-year-old llama. Lesions were not progressive during 2 months of observation. The llama was euthanatized and necropsied. Histopathologic findings included chorioretinitis, optic neuritis, and encephalitis characterized by mononuclear perivascular infiltration. Attempts to prove an infectious cause were unsuccessful.
authors.affiliation: Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins 80523.
authors.forename: M E
authors.initials: ME
authors.lastname: Paulsen
authors.forename: S
authors.initials: S
authors.lastname: Young
authors.forename: J A
authors.initials: JA
authors.lastname: Smith
authors.forename: G A
authors.initials: GA
authors.lastname: Severin
mesh_terms: D000818:Animals; D001188:Artiodactyla; D001766:Blindness / Q000209:etiology / Q000662:veterinary*; D002161:Camelids, New World; D002825:Chorioretinitis / Q000150:complications / Q000662:veterinary*; D004596:Electroretinography / Q000662:veterinary; D004660:Encephalitis / Q000150:complications / Q000662:veterinary*; D005123:Eye / Q000473:pathology; D008297:Male; D009887:Ophthalmoscopy / Q000662:veterinary; D009902:Optic Neuritis / Q000150:complications / Q000662:veterinary*