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KMID : 0880420110120060651
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Korean Journal of Radiology
2011 Volume.12 No. 6 p.651 ~ p.661
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Diffusion Tensor Imaging: Exploring the Motor Networks and Clinical Applications
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Ahn Sung-Soo
Lee Seung-Koo
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Abstract
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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.
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KEYWORD
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Diffusion tensor imaging, Tractography, Diffusion weighted imaging
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