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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Functional outcomes of full-endoscopic spine surgery for high-grade migrated lumbar disc herniation: a prospective registry-based cohort study with more than 5 years of follow-up

Fig. 4

Contralateral TELD for upperward migration of L3–L4 HIVD at zone 1. a Anterior to posterior view of intraoperative fluoroscopy showing the endoscopic micro rongeur forceps grasping the disc fragment at contralateral zone 1. b Lateral view of the intraoperative fluoroscopy working channel position located at the epidural space

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