Abstract
BACKGROUND CONTEXT: C2 trans-laminar (TL) screws rigidly capture C2 posterior elements, avoid risk of vertebral artery injury, and are less technically demanding than C2 pedicle (PD) screws. However, C2-TL screw breach places the spinal cord at risk and the durability of C2-TL screws remains unknown. It is unclear if TL vs. PD screw C2 fixation is associated with less operative morbidity, greater accuracy of screw placement, or equivalent durability.
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