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White matter reorganization after stroke measured by Gaussian DTI, q-ball, and PAS MRI

Jiang, Q; Alexander, DC; Ding, GL; Zhang, ZG; Pourabdollah, S; Nejad, D; ... Chopp, M; + view all (2007) White matter reorganization after stroke measured by Gaussian DTI, q-ball, and PAS MRI. In: International Society for Magnetic Resonance in Medicine 15th Annual Scientific Meeting and Exhibition: 2007 Proceedings. (pp. 66 - 66). International Society for Magnetic Resonance in: Berkeley, US.

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Abstract

We investigated white matter remodeling after stroke using Gaussian diffusion tensor imaging (DTI), q-ball, persistent angle structure (PAS) MRI and gold standard immuno-histochemistry staining. We demonstrate that MRI fractional anisotropy (FA) identifies tissue with white matter reorganization, fiber orientation of axonal projections from Gaussian DTI, orientation distribution function (ODF) in q-ball, and PAS MRI detects changes of axonal orientation in the ischemic boundary region after stroke. PAS and ODF in q-ball provide the correct fiber crossing information in the layer between corpus callosum and cortex.

Type:Proceedings paper
Title:White matter reorganization after stroke measured by Gaussian DTI, q-ball, and PAS MRI
Publisher version:http://www.ismrm.org/07/index.htm
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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