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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
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3D MRI of the Spine
Meghan Sahr1, Ek Tsoon Tan1, Darryl B Sneag1
1Department of Radiology and Imaging, Hospital for Special Surgery, New York, New York.
Seminars in Musculoskeletal Radiology
|September 21, 2021
Summary
Three-dimensional (3D) magnetic resonance imaging (MRI) of the spine offers superior resolution and reformattability for faster, more accurate interpretations. Advanced 3D MRI techniques provide detailed bone imaging comparable to computed tomography, even around spinal hardware.
Area of Science:
- Medical Imaging
- Radiology
- Spinal Diagnostics
Background:
- Technological advancements have made three-dimensional (3D) magnetic resonance imaging (MRI) of the spine clinically viable.
- Traditional two-dimensional (2D) imaging has limitations in resolution and reformattability.
Purpose of the Study:
- To highlight the advantages of 3D MRI for spinal imaging.
- To discuss advanced 3D MRI techniques for evaluating spinal anatomy, especially around metallic implants.
Main Methods:
- Utilizing advanced 3D MRI sequences, including multispectral techniques for imaging around metal.
- Employing 3D gradient-recalled echo sequences with ultrashort or zero echo time.
Main Results:
- 3D MRI provides higher in-plane spatial resolution compared to 2D imaging.
- Reformation in any plane allows for time savings and improved interpretation accuracy.
- 3D techniques offer osseous detail comparable to computed tomography (CT), even in the presence of spinal hardware.
Conclusions:
- 3D MRI is a powerful tool for spinal imaging, offering significant advantages over 2D methods.
- Advanced 3D sequences enhance the evaluation of spinal anatomy and hardware.
- 3D MRI provides diagnostic capabilities rivaling CT for bone detail.
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