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Ohmori et al. FPCF for bony stenosis

Final approval of manuscript: K. Ohmori, K. Ono, T. Hori

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There are no conflicts of interest.

Patient consent
We obtained the patients’ consent for publication of the
present literature.
Figure 6: On the final endoscopic view in this surgery, the C6 Ethics approval
nerve root (*) and lateral margin of the dura mater (**) can be
clearly observed. Left side: caudal; right side: cephalic; upper side: All procedures used in the present literature approved
medial; lower side: lateral
by the Ethical Committee of Nippon Koukan Hospital.
because the surface of vertebral lamina is not smooth
due to osteoarthrosis of the facet joint. REFERENCES
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A B C

Figure 7: (A) The osteophyte, which is seen in the sagittal plane on preoperative computer tomography [Figure 5A], is completely resected
(arrow); (B) the intervertebral foramen has expanded satisfactorily (arrow); (C) the percent of facet joint resection is 42% (arrow). R: right side
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