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Related Experiment Videos

Cervical spine MR imaging using multislice gradient echo imaging: comparison with cardiac gated spin echo.

M V Kulkarni1, P A Narayana, C B McArdle

  • 1University of Texas Medical School, Houston 77025.

Magnetic Resonance Imaging
|September 1, 1988
PubMed
Summary

Gradient Echo (GE) imaging offers superior contrast for extradural lesions in cervical spine disorders compared to cardiac-gated spin echo (CGSE). However, CGSE excels in visualizing spinal cord lesions, while GE is better for degenerative changes.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Spine Surgery

Background:

  • Cervical spine disorders require accurate imaging for diagnosis.
  • Gradient Echo (GE) and cardiac-gated Spin Echo (CGSE) are MRI techniques used for spinal imaging.
  • Comparing the efficacy of GE and CGSE in visualizing cervical spine pathologies is crucial.

Purpose of the Study:

  • To compare the diagnostic performance of multislice gradient echo (GE) imaging with cardiac-gated spin echo (CGSE) imaging.
  • To evaluate the detection of cord lesions, cord-cerebrospinal fluid (CSF) contrast, CSF-bone contrast, and extradural abnormalities.
  • To assess image quality quantitatively using signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR).

Main Methods:

  • Forty-one patients with suspected cervical spine disorders underwent 1.5-T MRI using both GE and CGSE techniques.

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  • Images were qualitatively graded for lesion detection and contrast.
  • Quantitative analysis included SNR and CNR measurements.

    • Main Results:

    • GE imaging showed a 44% decrease in cord lesion contrast compared to CGSE, except for hemorrhage.
    • GE imaging demonstrated a 40% improvement in bone-CSF contrast over CGSE.
    • GE imaging was significantly superior for detecting extradural lesions, particularly in the axial plane.
    • CGSE imaging was better for spinal cord lesions, whereas GE imaging excelled in diagnosing degenerative cervical spine disease.

    Conclusions:

    • GE imaging offers advantages in visualizing extradural abnormalities and degenerative changes in the cervical spine.
    • CGSE imaging remains superior for detecting spinal cord lesions.
    • The choice between GE and CGSE depends on the specific suspected pathology in the cervical spine.