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Related Experiment Videos

Gradient echo (GRASS) MR imaging in cervical radiculopathy.

M C Hedberg1, B P Drayer, R A Flom

  • 1Department of Radiology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013.

AJR. American Journal of Roentgenology
|March 1, 1988
PubMed
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Limited flip angle (LFA) MRI is a valuable tool for diagnosing cervical radiculopathy. This imaging technique provides excellent image quality and accurately identifies spinal abnormalities, making it the preferred initial diagnostic procedure.

Area of Science:

  • Radiology
  • Medical Imaging
  • Neurology

Background:

  • Cervical radicular complaints require accurate diagnostic methods.
  • Conventional imaging techniques have limitations in evaluating cervical spine pathologies.

Purpose of the Study:

  • To evaluate the efficacy of limited flip angle (LFA) gradient echo MRI for diagnosing cervical radicular complaints.
  • To compare LFA MRI findings with myelography, CT myelography, and surgical outcomes.

Main Methods:

  • 130 patients with cervical radicular complaints underwent LFA MRI.
  • Image quality, contrast, and signal-to-noise ratio were assessed.
  • LFA MRI results were correlated with myelography, CT myelography, and surgical findings.

Main Results:

Related Experiment Videos

  • 128 out of 130 patients had good or excellent image quality with LFA MRI.
  • Specific LFA parameters (10° flip angle, TR 75 msec, TE 12.3 msec) yielded CT myelographic effects.
  • Both axial and sagittal LFA images were crucial for detecting extradural defects and differentiating herniated discs from osteophytes.
  • Excellent correlation was observed between MR imaging and surgical findings.

Conclusions:

  • Limited flip angle MRI is a highly effective imaging modality for cervical radiculopathy.
  • It offers superior image quality and diagnostic accuracy compared to conventional methods.
  • LFA MRI should be considered the primary imaging modality for suspected cervical radiculopathy.