title: Intravascular lymphoma involving the central and peripheral nervous systems in a dog.
abstract: A 5-year-old, castrated male mixed-breed dog was presented for paraparesis, ataxia, hyperesthesia, and thrombocytopenia of 5 months' duration and recurrent seizures during the preceding 2 weeks. Multifocal neurological, ophthalmological, pulmonary, and cardiac diseases were identified. Magnetic resonance imaging and cerebrospinal fluid analysis supported a tentative diagnosis of neoplastic or inflammatory disease. A computed tomography-guided biopsy provided both cytopathological and histopathological evidence of intravascular lymphoma. The disease progressed despite chemotherapy with prednisone, L-asparginase, and vincristine. Postmortem histopathological examinations suggested intravascular lymphoma in the central and peripheral nervous systems as well as in multiple other organ systems. This is the first description of an antemortem diagnosis and treatment of intravascular lymphoma involving the central nervous system of a dog.
authors.affiliation: Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, 3900 Delancey Street, Philadelphia, Pennsylvania 19104, USA.
authors.forename: William W
authors.initials: WW
authors.lastname: Bush
authors.forename: Juliene L
authors.initials: JL
authors.lastname: Throop
authors.forename: Patricia M
authors.initials: PM
authors.lastname: McManus
authors.forename: Amy S
authors.initials: AS
authors.lastname: Kapatkin
authors.forename: Charles H
authors.initials: CH
authors.lastname: Vite
authors.forename: Tom J
authors.initials: TJ
authors.lastname: Van Winkle
mesh_terms: D000818:Animals; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use; D001259:Ataxia / Q000209:etiology / Q000662:veterinary; D016543:Central Nervous System Neoplasms / Q000150:complications / Q000175:diagnosis / Q000662:veterinary*; D003645:Death, Sudden / Q000662:veterinary; D004283:Dog Diseases / Q000134:cerebrospinal fluid / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000473:pathology; D004285:Dogs; D008223:Lymphoma / Q000150:complications / Q000175:diagnosis / Q000662:veterinary*; D008279:Magnetic Resonance Imaging / Q000662:veterinary; D008297:Male; D020335:Paraparesis / Q000209:etiology / Q000662:veterinary; D010524:Peripheral Nervous System Neoplasms / Q000150:complications / Q000175:diagnosis / Q000662:veterinary*; D011241:Prednisone / Q000008:administration & dosage; D013921:Thrombocytopenia / Q000209:etiology / Q000662:veterinary; D014057:Tomography, X-Ray Computed / Q000662:veterinary; D019043:Vascular Neoplasms / Q000150:complications / Q000175:diagnosis / Q000662:veterinary*; D014750:Vincristine / Q000008:administration & dosage
chemical_list: D014750:Vincristine; D011241:Prednisone