title: Concurrent Gliosarcoma and Choroid Plexus Carcinoma in a Cow.
abstract: Brain tumours in cattle are uncommon and the spontaneous development of primary brain tumours of different histological types is rare in both man and animals. In man, multiple concurrent primary tumours of different types are occasionally described. We report the rare simultaneous occurrence of two different primary brain tumours, gliosarcoma and choroid plexus carcinoma, diagnosed by microscopical and immunofluorescence evaluation in an 8-year-old cow with a 2-month history of neurological disease. Gliosarcoma is a rare variant of glioblastoma multiforme, characterized by the presence of malignant glial cells and mesenchymal tissue. This tumour has not been reported previously in animals.
authors.affiliation: Escuela de Medicina Veterinaria, Facultad de Recursos Naturales, Núcleo de Producción Alimentaria, Laboratorio de Anatomía Patológica, Universidad Católica de Temuco, Chile. Electronic address: aortloff@uct.cl.
authors.forename: A
authors.initials: A
authors.lastname: Ortloff
authors.affiliation: Escuela de Medicina Veterinaria, Facultad de Recursos Naturales, Núcleo de Producción Alimentaria, Laboratorio de Anatomía Patológica, Universidad Católica de Temuco, Chile.
authors.forename: J
authors.initials: J
authors.lastname: Neumann
authors.affiliation: Department of Biomedical Sciences, Ross University School of Veterinary Medicine, PO Box 334, Basseterre, St. Kitts, Saint Kitts and Nevis.
authors.forename: O
authors.initials: O
authors.lastname: Illanes
mesh_terms: D000818:Animals; D001932:Brain Neoplasms / Q000662:veterinary*; D002277:Carcinoma / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D016545:Choroid Plexus Neoplasms / Q000662:veterinary*; D005260:Female; D018316:Gliosarcoma / Q000662:veterinary*; D009378:Neoplasms, Multiple Primary / Q000662:veterinary*
keywords: choroid plexus carcinoma; cow; gliosarcoma