FIG. 1.

Clinical photograph depicting the cock-robin posture with left inclination of the head and right-sided rotation (A). Radiograph confirming the left lateral tilt and rotation of the head to the right side in the anterior-posterior open-mouth view with suspicious asymmetry of the odontoid–C1 lateral mass interspace (B). Lateral radiograph showing C1–2 kyphosis with compensatory hyperlordosis in the subaxial cervical spine (C). CT scans (D and E) with 3D reconstruction (F) confirming the atlantoaxial dislocation on the left side.