Diffusion tensor imaging: exploring the motor networks and clinical applications

With the advances in diffusion magnetic resonance (MR) imaging techniques, diffusion tensor imaging (DTI) has been applied to a number of neurological conditions because DTI can demonstrate microstructures of the brain that are not assessable with conventional MR imaging. Tractography based on DTI o...

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Bibliographic Details
Published in:Korean journal of radiology 2011, 12(6), , pp.651-661
Main Authors: Ahn, Sungsoo, Lee, Seung-Koo
Format: Article
Language:English
Subjects:
Anisotropy
Brain - anatomy & histology
Brain - surgery
Brain Diseases - diagnosis
Brain Diseases - surgery
Diffusion Magnetic Resonance Imaging
Diffusion Tensor Imaging - methods
Eigenvalues
Humans
Motor Cortex - anatomy & histology
Neural Pathways - anatomy & histology
Pyramidal Tracts - anatomy & histology
Radiation
Review
Values
방사선과학
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Summary:With the advances in diffusion magnetic resonance (MR) imaging techniques, diffusion tensor imaging (DTI) has been applied to a number of neurological conditions because DTI can demonstrate microstructures of the brain that are not assessable with conventional MR imaging. Tractography based on DTI offers gross visualization of the white matter fiber architecture in the human brain in vivo. Degradation of restrictive barriers and disruption of the cytoarchitecture result in changes in the diffusion of water molecules in various pathological conditions, and these conditions can also be assessed with DTI. Yet many factors may influence the ability to apply DTI clinically, so these techniques have to be used with a cautious hand.
ISSN:1229-6929
2005-8330
DOI:10.3348/kjr.2011.12.6.651