Atlantoaxial rotatory fixation (AARF) and subluxation are conditions that affect the cervical spine, specifically the joint between the first cervical vertebra (C1, or atlas) and the second ...

Atlantoaxial instability (AAI) is a condition primarily affecting small breed dogs, particularly those with congenital predispositions. It involves instability at the atlantoaxial joint ...

Eight patients had atlanto-axial instability. Six had interlaminar fusion between atlas and axis. No serious complications were seen. Stability was obtained in all patients postoperatively.