Dorsal Stabilization of a C3–C4 Vertebral Luxation and Cervical Facet Dislocation in a German Shepherd Dog

Abstract Locked facet injury is a possible severe consequence of trauma in companion animals and occurs predominantly in small and toy breed dogs. Stabilization of the cervical vertebral column is traditionally described via a ventral approach, whereas reduction of luxation is better achieved via a dorsal approach. This report describes a 3-year-old, female spayed German Shepherd dog that presented for tetraplegia caused by a presumptive road traffic accident. Clinical examination and diagnostic imaging revealed a dorsal subluxation of the C4 vertebra at the C3–C4 junction, with a right-sided locked facet injury. Luxation reduction and stabilization were achieved with a dorsal approach and internal fixation with screws in the articular process joints of C3–C4 and the pedicles of C3 and C4. Long-term follow-up showed complete recovery of ambulation and return to an active life-style