Fig. 3From: Posterior longitudinal ligament resection during microscopic anterior cervical discectomy: technique and safety considerationa Operative view; arrow points to a disk fragment. b Axial T1 MRI superimposed on the operative photo showing ruptured PLL (arrow) and posterolateral herniated disk fragment. The asterisk refers to the extracted disc fragment leaving a defect in PLL. c Complete opening of PLLBack to article page