Research Article

Effective Range of Percutaneous Posterior Full-Endoscopic Paramedian Cervical Disc Herniation Discectomy and Indications for Patient Selection

Figure 1

(a) The lateral border of dural sac and peak of herniated disc (DSPHD; red line) and lateral border of dural sac and intersection of dural sac and medial border of herniated disc (DSMHD; blue line) are shown in schematic picture. (b) DSPHD (red line) and DSMHD (blue line) are shown in MRI image.
(a)
(b)