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Related Experiment Videos

Sensitivity-encoded diffusion tensor MR imaging of the cervical cord.

Mara Cercignani1, Mark A Horsfield, Federica Agosta

  • 1Neuroimaging Research Unit, Department of Neuroscience, Scientific Institute and University Ospedale San Raffaele, via Olgettina 60, 20132 Milan, Italy.

AJNR. American Journal of Neuroradiology
|June 19, 2003
PubMed
Summary

Sensitivity-encoding (SENSE) echo-planar imaging (EPI) successfully reduced artifacts in cervical cord diffusion tensor MR imaging. This technique shows promise for improved clinical applications in this challenging anatomical region.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Neuroimaging

Background:

  • Cervical cord MR imaging presents significant challenges due to susceptibility artifacts.
  • Diffusion Tensor MR Imaging (DTI) provides valuable information about white matter microstructure.
  • Standard EPI sequences often suffer from artifacts in the cervical region.

Purpose of the Study:

  • To adapt and evaluate Sensitivity-Encoding (SENSE) EPI for Diffusion Tensor MR Imaging (DTI) of the cervical cord.
  • To assess the effectiveness of SENSE-EPI in reducing artifacts in this specific anatomical area.
  • To determine the potential clinical applicability of this advanced imaging technique.

Main Methods:

  • Implementation of SENSE-EPI with a reduction factor of 2.
  • Acquisition of DTI data from a water phantom and five healthy volunteers.

Related Experiment Videos

  • Comparison of SENSE-EPI with conventional full-Field-Of-View (FOV) EPI sequences.

    • Main Results:

    • Significant reduction in off-resonance artifacts was observed with SENSE-EPI.
    • Improved image quality in the cervical cord compared to standard EPI.
    • Feasibility demonstrated in both phantom and volunteer studies.

    Conclusions:

    • SENSE-EPI is a viable and effective technique for DTI of the cervical cord.
    • This method offers a promising solution for overcoming imaging challenges in the cervical spine.
    • Further clinical applications of SENSE-EPI for cervical cord DTI are anticipated.