The effect of systematic errors reduction in the brain DTI on the 1.5T clinical MR scanner.
Anna Stefańska-Bernatowicz1, Weronika Mazur2, Rafał Obuchowicz3, and Artur Tadeusz Krzyżak1
1Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Kraków, Poland, 2Faculty of Physics and Applied Computer Sciences, AGH University of Science and Technology, Kraków, Poland, 3Department of Diagnostic Imaging, Jagiellonian University Medical College, Kraków, Poland
BSD DTI is a method to reduce systematic errors observed in standard Diffusion Tensor Imaging (DTI) of anisotropic tissues. In the work the effect of systematic errors reduction was shown based on DTI of the brain. Diffusion tensor parameters and tractography were compared between standard DTI (STD) and after the application of BSD DTI method in 11 ROIs chosen in axial and sagittal image planes. Depending on ROI eigenvalues and FA were under- or overestimated in STD, which was corrected by BSD DTI. Reduction of systematic errors leads to decreased standard deviation and improved diffusion tensor tractography.
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