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European Radiology
Published in: European Radiology 7/2018

01-07-2018 | Magnetic Resonance

Utility of MRI for cervical spine clearance in blunt trauma patients after a negative CT

Authors: Ajay Malhotra, David Durand, Xiao Wu, Bertie Geng, Khalid Abbed, Diego B. Nunez, Pina Sanelli

Published in: European Radiology | Issue 7/2018

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Abstract

Purpose

To determine the utility of cervical spine MRI in blunt trauma evaluation for instability after a negative non-contrast cervical spine CT.

Methods

A review of medical records identified all adult patients with blunt trauma who underwent CT cervical spine followed by MRI within 48 h over a 33-month period. Utility of subsequent MRI was assessed in terms of findings and impact on outcome.

Results

A total of 1,271 patients with blunt cervical spine trauma underwent both cervical spine CT and MRI within 48 h; 1,080 patients were included in the study analysis. Sixty-six percent of patients with a CT cervical spine study had a negative study. Of these, the subsequent cervical spine MRI had positive findings in 20.9%; 92.6% had stable ligamentous or osseous injuries, 6.0% had unstable injuries and 1.3% had potentially unstable injuries. For unstable injury, the NPV for CT was 98.5%. In all 712 patients undergoing both CT and MRI, only 1.5% had unstable injuries, and only 0.42% had significant change in management.

Conclusions

MRI for blunt trauma evaluation remains not infrequent at our institution. MRI may have utility only in certain patients with persistent abnormal neurological examination.

Key Points

• MRI has limited utility after negative cervical CT in blunt trauma.
• MRI is frequently positive for non-specific soft-tissue injury.
• Unstable injury missed on CT is infrequent.
Appendix
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Metadata
Title
Utility of MRI for cervical spine clearance in blunt trauma patients after a negative CT
Authors
Ajay Malhotra
David Durand
Xiao Wu
Bertie Geng
Khalid Abbed
Diego B. Nunez
Pina Sanelli
Publication date
01-07-2018
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 7/2018
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-017-5285-y

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