Fig. 3From: Clinical application of the C2 pars screw technique in the treatment of ossification of the posterior longitudinal ligamentThree-dimensional surface renderings show typical trajectories of C2 pars screws from the dorsal (A) and right side (B) perspectives. CT scans show typical trajectories of C2 pars screws from the dorsal (C) and right side (D) perspectivesBack to article page