Single door laminoplasty plus posterior fusion for posterior atlantoaxial dislocation with congenital malformation: A case report and review of literature

Figure 3 Postoperative images during the 3-yr follow up. A: Lateral radiograph indicating stable fixation and fusion; B: Axial computed tomography scan, demonstrating the C1 inner sagittal diameter (white line) = 32.75 mm and the canal sagittal diameter (black line) = 22.24 mm; C: Parasagittal magnetic resonance imaging, demonstrating satisfactory release of compression caused by the odontoid process and C1 posterior arch.