Abstract
Background
Surgical options for removing high-grade down-migrated lumbar disc herniations located medial to the pedicle include an extensive laminectomy and facetectomy. A direct percutaneous endoscopic approach through the pedicle for reaching the herniated disc without risk of iatrogenic instability is feasible.
Method
The transpedicular approach consists of creating a tunnel through the pedicle. Subsequently, access to the parapedicular epidural space is obtained, and downward migrated disc can be removed.
Conclusion
This technique allows to reach migrated herniations medially to the pedicle safely and effectively.
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Abbreviations
- AP:
-
Anterior-posterior
- CT:
-
Computed tomography
- MRI:
-
Magnetic resonance imaging
- PELD:
-
Percutaneous endoscopic lumbar discectomy
- RF:
-
Radiofrequency
- VAS:
-
Visual analog scale
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Video 1
We present the step by step of percutaneous endoscopic transpedicular approach for high-grade down-migrated lumbar disc herniations. A real clinical case used to exemplify the technique, and detailed information about the procedure is shown in the video. (MOV 177781 kb)
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Quillo-Olvera, J., Akbary, K. & Kim, JS. Percutaneous endoscopic transpedicular approach for high-grade down-migrated lumbar disc herniations. Acta Neurochir 160, 1603–1607 (2018). https://doi.org/10.1007/s00701-018-3586-9
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DOI: https://doi.org/10.1007/s00701-018-3586-9