Comparison of Clinical Outcomes of Two-Level PELD and Foraminoplasty PELD for Highly Migrated Disc Herniations: A Comparative Study

Figure 1

Surgical procedures of two-level PELD and foraminoplasty PELD. (a, b) Working channels placed into the intervertebral foramen at the L5/S1 level. (c, d) Two-level working channels placed into the intervertebral foramen at the L3/4 and L4/5 level.

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