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Undetected vertebral artery groove and foramen violations during C1 lateral mass and C2 pedicle screw placement.

Authors
Type
Published Article
Journal
Spine
Publication Date
Volume
33
Issue
25
Identifiers
DOI: 10.1097/BRS.0b013e3181870441
PMID: 19050571
Source
Medline

Abstract

Although vertebral artery groove and foramen violations were relatively common on postoperative CT scans, none were detected intraoperatively or on postoperative radiographs. Most alarmingly, 1 vertebral artery injury was undetected intraoperatively. Since a vertebral injury can be potentially catastrophic, this study emphasizes the inherent dangers associated with placement of C1 and C2 screws and underscores the importance of careful postoperative evaluation and surgical technique when inserting these screws.

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