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. 2016 Mar;13(1):37-9.
doi: 10.14245/kjs.2016.13.1.37. Epub 2016 Mar 31.

Enlargement of Neural Foramina and Dynamic Stabilization in Spondylolisthesis without Restoring the Alignment: Technical Note

Ali Fahir Ozer  1 , Tuncer Suzer  1 , Mehdi Sasani  2 , Tunc Oktenoglu  2 , Emrah Egemen  3
Affiliations

Enlargement of Neural Foramina and Dynamic Stabilization in Spondylolisthesis without Restoring the Alignment: Technical Note

Ali Fahir Ozer et al. Korean J Spine. 2016 Mar.

Abstract

It is well known that the cause of radiculopathy is the compression of the nerve root within the foramina which is narrowed secondary to sliding of the corpus and reduced disc height. In some patients, unroofing the foramen does not resolve this problem. We described a new decompression technique using pedicle removal and transpedicular dynamic instrumentation to stabilization the spine. We performed this operation in 2 patients and achieved very good results.

Keywords: Dynamic stabilization; Lumbar pedicle; Neural foraminal stenosis; Spondylolisthesis.

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Conflict of interest statement

CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported.

Figures

Fig. 1
Fig. 1. The sagittal magnetic resonance imaging scans disclose degenerative changes and nerve root compression. Arrow indicates collapsed disc space (A) and foraminal nerve root in the stenotic neural foramen (B).
Fig. 2
Fig. 2. A diagram is describing the compression of nerve roots between the vertebral corpus with disc remnants and L5 pedicle.
Fig. 3
Fig. 3. The removal of the bone to create an enlarged foramina is drawn in the diagram. (A) Lateral view. (B) Posterior anterior view.
Fig. 4
Fig. 4. Dynamic transpedicular instrumentation provides sufficient support to stabilize the translational deformity.
Fig. 5
Fig. 5. A computed tomography scan after surgery disclosed enlarged foramina after pedicle removal.
See this image and copyright information in PMC

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