Figure 2: Magnetic resonance imaging sagittal T2-weigted imaging (a) of a patient with “dish facies (b); the sagittal computed tomography showing os odontoidium and bullet shaped subaxial vertebral bodies (c). The three-dimensional computed tomography show facetal dislocation and bifid posterior arch of axis (d). Postoperative three-dimensional computed tomography scan showing long long-segment fixation (e)