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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
Diffusion tensor imaging in spinal cord compression.
Wei Wang1, Wen Qin, Nanxin Hao
1Department of Radiology, Fudan University Shanghai Cancer Center, Shanghai, China. weiwang318@163.com
Acta Radiologica (Stockholm, Sweden : 1987)
|August 16, 2012
Summary
Diffusion tensor imaging (DTI) and tractography show promise for spinal cord imaging, revealing abnormalities in compression patients. These techniques aid in visualizing spinal cord tracts and offer valuable clinical insights.
Area of Science:
- Neuroimaging
- Medical Physics
- Radiology
Background:
- Diffusion tensor imaging (DTI) is established in brain research but faces challenges in spinal cord imaging.
- Spinal cord imaging presents unique difficulties limiting broader clinical application.
Purpose of the Study:
- To evaluate the feasibility and clinical utility of DTI and tractography for chronic spinal cord compression.
- Assessing DTI's role in characterizing spinal cord compression.
Main Methods:
- Acquired DTI data using spin-echo echo-planar sequences in 42 spinal cord compression patients and 49 controls.
- Measured apparent diffusion coefficient (ADC) and fractional anisotropy (FA) in spinal cord regions.
- Utilized diffusion tensor tractography to visualize white matter integrity.
Main Results:
- No significant differences in ADC/FA between spinal cord segments in healthy subjects.
- Spinal cord compression patients with high T2WI signal showed increased ADC and decreased FA.
- No significant diffusion index changes were observed in patients without high T2WI signal.
- DTI maps demonstrated compressed fiber tracts in all patient groups.
Conclusions:
- DTI and tractography are effective for visualizing spinal cord white matter tracts.
- These imaging modalities provide valuable supplementary information for clinical studies of spinal cord compression.
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