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Neurosurg Focus. 2014 Mar;36(3):E5. doi: 10.3171/2014.1.FOCUS13514.

The use of intraoperative navigation for complex upper cervical spine surgery.

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  • 1Department of Neurosurgery, Kaiser Permanente Medical Group, Sacramento, California; and Department of Neurosurgery, University of California, San Francisco, California.

Abstract

Imaging guidance using intraoperative CT (O-arm surgical imaging system) combined with a navigation system has been shown to increase accuracy in the placement of spinal instrumentation. The authors describe 4 complex upper cervical spine cases in which the O-arm combined with the StealthStation surgical navigation system was used to accurately place occipital screws, C-1 screws anteriorly and posteriorly, C-2 lateral mass screws, and pedicle screws in C-6. This combination was also used to navigate through complex bony anatomy altered by tumor growth and bony overgrowth. The 4 cases presented are: 1) a developmental deformity case in which the C-1 lateral mass was in the center of the cervical canal causing cord compression; 2) a case of odontoid compression of the spinal cord requiring an odontoidectomy in a patient with cerebral palsy; 3) a case of an en bloc resection of a C2-3 chordoma with instrumentation from the occiput to C-6 and placement of C-1 lateral mass screws anteriorly and posteriorly; and 4) a case of repeat surgery for a non-union at C1-2 with distortion of the anatomy and overgrowth of the bony structure at C-2.

PMID:
24580006
[PubMed - in process]
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