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Concept of Diffusion Tensor Imaging

As diffusion is truly a three dimensional process, molecular mobility in tissues may be anisotropic, as in brain white matter. With diffusion tensor imaging (DTI), diffusion anisotropy effects can be fully extracted, characterized, and exploited, providing even more exquisite details on tissue microstructure. The most advanced application is certainly that of fiber tracking in the brain, which, in combination with functional MRI, might open a window on the important issue of connectivity. DTI has also been used to demonstrate subtle abnormalities in a variety of diseases (including stroke, multiple sclerosis,dyslexia, and schizophrenia) and is currently becoming part of many routine clinical protocols.
Concept of Diffusion Tensor Imaging Reviewed by Sumer Sethi on Tuesday, August 23, 2005 Rating: 5

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