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Images of a 9-year-old male child. (a) Computed tomography scan shows rotatory atlantoaxial dislocation. (b) Coronal computed tomography scan showing the rotation. (c) T2-weighted magnetic resonance imaging shows no significant cord compression. (d) Axial computed tomography shows rotation. (e) Postoperative computed tomography scan showing craniovertebral fixation. (f) Preoperative picture of the patient showing torticollis. (g) Postoperative image showing reduction of torticollis
