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Related Experiment Videos

MRI of cervical facet dislocation

C C Leite1, B E Escobar, C Bazan

  • 1Department of Radiology, University of Texas Health Science Center, San Antonio 78284-7800, USA.

Neuroradiology
|August 1, 1997
PubMed
Summary

Magnetic resonance imaging (MRI) effectively visualizes cervical vertebral dislocations, revealing facet joint injuries and associated spinal cord damage. Far-lateral sagittal views are crucial for accurately assessing dislocated facets.

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Area of Science:

  • Radiology
  • Orthopedic Surgery
  • Neurosurgery

Background:

  • Cervical vertebral dislocation is a serious spinal injury.
  • Conventional radiography may not fully depict the extent of facet joint involvement.
  • Advanced imaging like MRI is essential for comprehensive evaluation.

Purpose of the Study:

  • To evaluate the utility of MRI in characterizing cervical vertebral dislocations.
  • To correlate MRI findings with conventional radiography.
  • To identify associated spinal cord and vascular injuries.

Main Methods:

  • Retrospective review of MRI scans from eight patients with cervical vertebral dislocation.
  • Axial and sagittal T1- and T2-weighted imaging on a 1.5-T MRI unit.
  • Comparison of MRI findings with initial radiographic diagnoses.

Main Results:

  • MRI identified various types of facet dislocations: unilateral/bilateral partial and unilateral/bilateral complete.
  • Associated findings included cord contusion (6 patients), disc protrusions (3 patients), and vertebral artery flow void (4 patients).
  • Far-lateral sagittal MRI views clearly demonstrated the dislocated facets in all cases.

Conclusions:

  • MRI provides detailed assessment of cervical facet joint dislocations.
  • It effectively reveals associated spinal cord and vascular abnormalities.
  • Far-lateral sagittal MRI views are critical for surgical planning in cervical dislocation injuries.

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