Related Experiment Video
Updated: Jul 6, 2026
10:46
Diffusion Imaging in the Rat Cervical Spinal Cord
Published on: April 7, 2015
Demonstration of spinal cord and nerve root abnormalities by diffusion neurography
Kazuhiro Tsuchiya1, Keita Honya, Maiko Yoshida
1Department of Radiology, Kyorin University School of Medicine, Tokyo, Japan. tsuchiyak-kyr@umin.ac.jp
Journal of Computer Assisted Tomography
|April 2, 2008
Summary
This study demonstrates a new MRI technique that effectively visualizes spinal cord and nerve root abnormalities. The fluid-attenuated inversion-recovery-based diffusion-tensor scan shows promise for diagnosing various neurological conditions.
Area of Science:
- Neuroradiology
- Advanced Magnetic Resonance Imaging Techniques
Background:
- Conventional MRI techniques have limitations in fully visualizing nerve roots.
- Maximum-intensity projection of diffusion-weighted imaging is a reported method for nerve root visualization.
Purpose of the Study:
- To evaluate the feasibility of a modified fluid-attenuated inversion-recovery-based diffusion-tensor scan with parallel imaging for demonstrating spinal cord and nerve root abnormalities.
- To assess the diagnostic utility of this advanced MRI technique in various neurological pathologies.
Main Methods:
- A modified fluid-attenuated inversion-recovery-based diffusion-tensor scan with parallel imaging was applied to 18 patients.
- Patients presented with diverse conditions including multiple sclerosis, chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), neurofibromatosis (NF), schwannoma, cord injury, and tethered cord.
- Neurographic images were visually assessed for lesion depiction.
Main Results:
- The modified MRI technique successfully visualized both the spinal cord and nerve roots in all subjects.
- It effectively depicted spinal cord plaques in multiple sclerosis, enlarged nerve roots in CIDP, neurogenic tumors in NF, and schwannoma.
- The technique demonstrated superior visualization of nerve root abnormalities in CIDP and NF compared to conventional MRI.
Conclusions:
- The modified fluid-attenuated inversion-recovery-based diffusion-tensor scan is an effective method for demonstrating spinal cord and nerve root pathology.
- This advanced MRI technique offers improved visualization for a range of neurological conditions affecting the spinal cord and nerve roots.
Related Concept Videos
01:16Spinal Cord: Cross-sectional Anatomy
The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
Gray Matter and its Components
Central to the gray matter is...
01:17Assessment of Diffusion and Perfusion
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...