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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
Review of the principal extra spinal pathologies causing sciatica and new MRI approaches.
A Ailianou1, A Fitsiori, A Syrogiannopoulou
1Department of Radiology, Geneva University Hospital and University of Geneva, Geneva, Switzerland.
The British Journal of Radiology
|March 1, 2012
Summary
This study explores extraspinal causes of sciatica, highlighting advanced imaging techniques like 3D STIR SPACE and diffusion tensor imaging for visualizing the lumbosacral plexus (LSP) and its pathologies.
Area of Science:
- Radiology
- Neuroimaging
- Anatomy
Background:
- Sciatica can arise from extraspinal causes, posing diagnostic challenges.
- Conventional MRI sequences struggle to fully visualize the obliquely oriented lumbosacral plexus (LSP).
Purpose of the Study:
- To illustrate extraspinal pathologies causing sciatica.
- To present novel approaches for studying the lumbosacral plexus (LSP).
Main Methods:
- Utilized three-dimensional short tau inversion-recovery sampling perfection with application-optimised contrasts using different flip angle evolutions (3D STIR SPACE) sequence.
- Employed diffusion tensor imaging (DTI) for microstructural analysis.
- Performed multiplanar and maximum intensity projection reconstructions, including curvilinear reformats.
Main Results:
- 3D STIR SPACE facilitates comprehensive visualization of the LSP.
- Multiplanar and curvilinear reconstructions aid in detailed anatomical assessment.
- DTI reveals microstructural changes, assisting in surgical planning.
Conclusions:
- Advanced MRI techniques, particularly 3D STIR SPACE, improve LSP visualization.
- Diffusion tensor imaging offers insights into microstructural integrity for surgical planning.
- A thorough understanding of LSP anatomy and pathologies is crucial for diagnosing sciatica.
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