case_images: PMC6884957_01
case_images: Cervical magnetic resonance imaging (sagital view).
case_images: SNI-10-218-g001.jpg
case_images: PMC6884957_01_SNI-10-218-g001.jpg
case_images: F1
case_images: The spinal cord was compressed by the ring of C1 and the upper part of C2 [Figures 1 and 2].
case_images: Cervical magnetic resonance imaging (axial view).
case_images: SNI-10-218-g002.jpg
case_images: PMC6884957_01_SNI-10-218-g002.jpg
case_images: F2
case_images: The spinal cord was compressed by the ring of C1 and the upper part of C2 [Figures 1 and 2].
case_images: Postoperative cervical X-ray, anteroposterior view (left), and lateral view (right).
case_images: SNI-10-218-g003.jpg
case_images: PMC6884957_01_SNI-10-218-g003.jpg
case_images: F3
case_images: The postoperative X-ray showed that the Ransford loop had remained in good position [Figure 3].