Ankylosing spondylitis complicated with andersson lesion in the lower cervical spine: A case report

Figure 1 Preoperative X-ray and computed tomography. A: Lateral X-ray view, an arrow shows pathological fracture; B: CT sagittal image, an arrow shows pathological fracture; C: Computed tomography (CT) coronal image, an arrow shows pathological fracture; D-F: CT axial images at different slice levels, an arrow shows pathological fracture.

Figure 2 Preoperative magnetic resonance imaging. A: Sagittal T2-weighted image; B: Sagittal T1-weighted image; C: Axial T2-weighted image; D: Sagittal STIR image.

Figure 3 Postoperative X-ray. A: Lateral X-ray view; B: Anteroposterior X-ray view.

Figure 4 Pathology picture.

Figure 5 10 months postoperative X-ray. A: Lateral X-ray view; B: Anteroposterior X-ray view.