Research Article
Effective Range of Percutaneous Posterior Full-Endoscopic Paramedian Cervical Disc Herniation Discectomy and Indications for Patient Selection
Table 1
Pre- and postoperation measurements of distances between the dural sac and herniated disc and distances between the dural sac and the medial border of discectomy (mean ± SD).
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DSPHD: the vertical distance between lateral border of dural sac and peak of herniated disc; DSMHD: the vertical distance between lateral border of dural sac and intersection of dural sac and medial border of herniated disc; DSMD: the vertical distance between lateral border of dural sac and intersection of dural sac and medial border of discectomy. |