A Modified Translaminar Osseous Channel-Assisted Percutaneous Endoscopic Lumbar Discectomy for Highly Migrated and Sequestrated Disc Herniations of the Upper Lumbar: Clinical Outcomes, Surgical Indications, and Technical Considerations

Figure 3

Intraoperative endoscopic view after resection of the protruding fragments; the decompressed dural sac (crosses) and the nerve root (stars) are confirmed, and the protruding fragments are deflected at the axilla of the exiting nerve.