title: Diagnosis and treatment of a chronic atlanto-occipital subluxation in a dog.
abstract: A 6-year-old Labrador retriever-cross was evaluated for an abnormal gait and head carriage 6 weeks after suffering trauma. The dog was presented with an ambulatory tetraparesis and was reluctant to move his head. Myelography and computed tomography demonstrated a subluxation of the atlanto-occipital joint with compression of the spinomedullary junction and the brain stem by the occipital bone. Removal of the compressive part of the occipital bone resulted in improvement of the clinical signs within 6 weeks, and resolution of clinical signs occurred 8 months after surgery.
authors.affiliation: Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
authors.forename: Helena
authors.initials: H
authors.lastname: Rylander
authors.forename: Juan Carlos
authors.initials: JC
authors.lastname: Robles
mesh_terms: D000063:Accidents, Traffic; D000818:Animals; D001269:Atlanto-Occipital Joint / Q000000981:diagnostic imaging / Q000293:injuries* / Q000601:surgery*; D004283:Dog Diseases / Q000000981:diagnostic imaging / Q000601:surgery*; D004285:Dogs; D004204:Joint Dislocations / Q000000981:diagnostic imaging / Q000601:surgery / Q000662:veterinary*; D008297:Male; D009192:Myelography / Q000662:veterinary; D011782:Quadriplegia / Q000209:etiology / Q000662:veterinary; D014057:Tomography, X-Ray Computed / Q000662:veterinary; D016896:Treatment Outcome