Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Weipeng Zheng; Xiuhang Ruan; Xinhua Wei; Fangtian Xu; Yuanping Huang; Ning Wang; Haoyi Chen; YingJie Liang; Wende Xiao; Xin Jiang; Shifeng Wen

doi:10.3791/59069

Imaging a risonanza magnetica con Tensor di diffusione nella compressione del midollo spinale cro...

JoVE Journal
Neuroscience

A subscription to JoVE is required to view this content. Sign in or start your free trial.

JoVE Journal Neuroscience

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Imaging a risonanza magnetica con Tensor di diffusione nella compressione del midollo spinale cronico

Full Text

9,420 Views

07:00 min

May 7, 2019

DOI: 10.3791/59069-v

Weipeng Zheng*¹, Xiuhang Ruan*², Xinhua Wei³, Fangtian Xu⁴, Yuanping Huang¹, Ning Wang¹, Haoyi Chen⁵, YingJie Liang⁶, Wende Xiao⁶, Xin Jiang¹, Shifeng Wen⁶

¹Department of Orthopedics, Guangzhou First People's Hospital,Guangzhou Medical University, ²Department of Radiology, Guangzhou First People's Hospital,Guangzhou Medical University, ³Department of Radiology, Guangzhou First People's Hospital, School of Medicine,South China University of Technology, ⁴Department of Orthopedics,The First Affiliated Hospital of Gannan Medical University, ⁵Department of Orthopedics,Guangzhou Chest Hospital, ⁶Department of Orthopedics, Guangzhou First People's Hospital, School of Medicine,South China University of Technology, Guangzhou Medical University

Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This study presents a detailed protocol utilizing diffusion tensor imaging (DTI) parameters to assess spinal cord compression in patients. By addressing the shortcomings of conventional MRI in determining neuronal damage, this protocol aims to enhance prognostic evaluations and track recovery post-surgery.

Key Study Components

Area of Science

Neuroscience
Imaging Techniques
Spinal Cord Research

Background

Conventional MRI fails to accurately measure neuronal damage in chronic spinal cord compression.
Chronic compression causes recurrent ischemic damage, leading to lasting histopathological changes.
Diffusion tensor imaging provides a more sensitive approach to visualize microstructural changes.
Assessing DTI parameters can yield prognostic insights in clinical settings.

Purpose of Study

To demonstrate how DTI can evaluate spinal cord compression more effectively than conventional MRI.
To create standardized imaging protocols for high-performance clinical MRI scanners.
To provide measurable data for assessing the functional status of the spinal cord in patients.

Methods Used

Diffusion tensor imaging was used to analyze cervical spinal cord compression.
The biological model involved patients with chronic spinal cord compression.
Image acquisition utilized 3.0T MRI systems with specific protocols for T1 and T2-weighted imaging.
Data analysis included the creation of fractional anisotropy maps and apparent diffusion coefficient measurements.

Main Results

The application of DTI parameters helped visualize the extent of compression and neuronal damage.
Quantitative data supports tracking recovery and functional status in surgical patients.
Results provide objective indicators for clinical treatment decisions.

Conclusions

This study establishes a DTI protocol for improved evaluation of spinal cord compression.
It demonstrates the effectiveness of advanced imaging techniques in understanding neuronal damage and recovery.
Findings highlight the utility of imaging in clinical assessments and potential therapeutic approaches.

Frequently Asked Questions

What are the advantages of using diffusion tensor imaging?

Diffusion tensor imaging provides a sensitive assessment of microstructural changes in spinal cord tissues, offering better prognostic insights compared to conventional MRI.

How is spinal cord compression evaluated in this study?

The study employs DTI to measure diffusion parameters, allowing for visualization of neuronal damage and recovery potential in chronic spinal cord compression patients.

What types of data are obtained through this imaging method?

The method generates quantitative maps, including fractional anisotropy and apparent diffusion coefficient values, which quantify neuronal integrity and damage.

What are the critical steps involved in the imaging procedure?

Key steps include patient positioning, application of T1 and T2-weighted imaging protocols, and the use of specific acquisition parameters for DTI.

Are there any limitations with the DTI method?

While DTI provides valuable insights, interpretations can be affected by factors such as partial volume effects and the choice of imaging protocol.

How can these protocols be adapted for clinical use?

Protocols can be tailored based on the specific clinical setting and patient conditions, optimizing image acquisition and analysis for individualized evaluations.

Qui, presentiamo un protocollo per l'applicazione dei parametri di imaging tensore di diffusione per valutare la compressione del midollo spinale.

Il dettaglio della microstruttura anatomica del midollo spinale fornito dalla risonanza prima convenzionale non stima con precisione l'effettivo danno neuronale o il potenziale di recupero neuronale nei pazienti con compressione cronica del midollo spinale. L'imaging del tensore di diffusione, o DTI, può aiutarci a ottenere informazioni prognostiche più specifiche rilevando il cambiamento della microstruttura della quantità nei tessuti attraverso la diffusione di molecole d'acqua. La compressione cronica del midollo spinale può causare danni ischemici ricorrenti al midollo spinale, con conseguente cambiamento istopatologico nelle fibre nervose a valle.

Questa modifica può essere visualizzato con il DTI. Il DTI è una tecnica sensibile che può fornire una misura della direzione e la grandezza di diffusione delle molecole d'acqua nei tessuti. Qui, dimostriamo l'applicazione di parametri di imaging del tensore di diffusione nella valutazione del midollo spinale compresso per l'uso in scanner di risonanza magnetica clinica ad alte prestazioni che utilizzano un sistema MR 3.0T.

View the full transcript and gain access to thousands of scientific videos