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Fig. 9 | BMC Musculoskeletal Disorders

Fig. 9

From: A novel vertebral trench technique (VTT) involving transforaminal endoscopic lumbar foraminotomy (TELF) for very highly up-migrated lumbar disc herniation above L5

Fig. 9

Intraoperative endoscopic view. (A) The foramina zone was exposed before the full-endoscopic visualized foraminotomy was performed. (SAP = Superior articular process); (B) Full-endoscopic visualized foraminotomy performed with ultrasonic bone knife; (C) the exiting nerve root(triangle)was exposed; (D) and E. The diamond bur was used to dig a trench at the posterior aspect of L4 vertebral; (F) The endoscope with working cannula moved into the trench. The herniated nucleus pulposus was extracted; (G) Sufficient decompression of the traversing nerve root(arrow)was ensured; (H) The specimen

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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