Digital Navigation Enhances Cervical Pedicle Screw Placement Accuracy and Safety

Inclusion Criteria: * Fracture of the posterior column of the cervical spine or fracture of the anterior-posterior column of the cervical spine without severe vertebral body injury * Non-traumatic cervical lamina destabilization, including metastatic tumor and rheumatoid arthritis * Kyphotic deformity after cervical lamina resection * Segmental destabilization after nerve root or spinal cord decompression * Subjected to revision after anterior cervical spine surgery * Scheduled to undergo internal fixation by cervical pedicle screw * Age approximately 62 years * Either sex * Provision of signed informed consent to participate in the trial Exclusion Criteria: * Cervical pedicle injury resulting from trauma or tumor * Severe osteoporosis * Anatomical variation of the vertebral artery * Unable or declined to proceed with internal fixation by pedicle screws