Fig. 2From: Are clinical outcomes affected by laminoplasty method and K-line in patients with cervical ossification of posterior longitudinal ligament? A multicenter studyLateral X-ray and axial computed tomography slice of patients with C-OPLL undergoing mFDL. A and B The laminas were opened from both sides, and the split spinous processes were fused with coralline hydroxyapatite (CHA) spacers. C Operative picture of mFDL, including laminectomy of C3 and the upper half of C7 as well as fixation between the spinous processes and CHA spacers (C4–6) using silk threadBack to article page