%0 Journal Article %T Atlanto-axial malformation in an adult Quarter horse gelding %A Jennifer Taintor %A Reid Hanson %A Robert Cole %J Archive of "The Canadian Veterinary Journal". %D 2017 %X An adult gelding was evaluated for bilateral intermittent forelimb lameness of approximately 2 years duration. The horse was found to have grade 2/5 upper motor neuron-general proprioception ataxia with no cranial nerve deficits. During radiographic and gross necropsy examinations a novel atlanto-axial malformation of possible congenital etiology was found %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5556490/