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Updated: Jul 10, 2026
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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
Axial compression frame for MRI of thoracolumbar spine
Daniel S J Choy1, Gian Paolo Tassi, Richard B Libes
1Laser Spine Center and Columbia University, 66 E 80th St., Suite 1A, New York, NY 10021, USA. info@laserspinecenter.com
AJR. American Journal of Roentgenology
|October 24, 2007
Summary
This study introduces a novel thoracolumbar MRI technique simulating physiologic intervertebral disk pressure without patient seating. This method offers a more accurate spinal assessment compared to traditional supine imaging.
Area of Science:
- Orthopedics
- Radiology
- Biomedical Engineering
Background:
- Standard supine MRI may not accurately reflect spinal conditions under physiologic loading.
- Intervertebral disk pressure is a crucial factor in spinal biomechanics.
Purpose of the Study:
- To present a novel method for thoracolumbar MRI acquisition under simulated intervertebral disk pressure (150 kPa).
- To perform this advanced MRI technique without requiring the patient to be in a seated position.
Main Methods:
- Development and implementation of a non-seated MRI protocol for the thoracolumbar spine.
- Application of controlled compression to simulate 150 kPa intervertebral disk pressure during imaging.
Main Results:
- Successful execution of thoracolumbar MRI with simulated disk pressure in a non-seated position.
- Demonstration of a feasible technique for dynamic spinal assessment.
Conclusions:
- Thoracolumbar MRI with compression provides a more physiologic representation of spinal structures.
- This advanced imaging approach yields higher diagnostic information compared to conventional supine MRI.
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