fiber tractography
Diffusion Tensor Fiber Tractography of the Optic Radiation: Analysis with 6 , 12 , 40 , and 81 Directional Motion Probing Gradients, a Preliminary Study
... DT fiber tractography, because white matter tracts of the tem- poral stem intermingle with other fibers that course in various directions and are indistinguishable from the surrounding white matter on MR ...
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Diffusion Tensor MR Imaging and Fiber Tractography: Theoretic Underpinnings
... and fiber tractography has opened an entirely new noninvasive window on the white matter connectivity of the human ...and fiber tractography have already ad- vanced the scientific ...
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Evaluations of diffusion tensor image registration based on fiber tractography
... and fiber bundle-based registration ...while, fiber bundle-based registrations use fiber bundles tracked from the DTI images to perform registration directly [6, 7], but it spends more time on ...
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Diffusion Tensor MR Imaging and Fiber Tractography: Technical Considerations
... Tremendous progress in diffusion MR imaging technology during the past decade has enabled high-quality DWI and DTI of the brain in clinically feasible scanning times, for use in routine diagnostic evaluation and in ...
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Local and Global Fiber Tractography in Patients with Epilepsy
... the fiber tractography algorithms is thought to be ...depicted fiber bundle. Therefore, a verification of the fiber course can be derived in conjunction with the postoperative functional out- ...
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Automatic labeling of the fanning and curving shape of Meyer’s loop for epilepsy surgery: an atlas extracted from high-definition fiber tractography
... Connectome Project (MGH-HCP) diffusion data, a group of high-quality datasets that could be acquired only under laboratory conditions, and projected the common distribution of the OR in MNI152 space to cre- ate the ORA. ...
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Choice of Diffusion Tensor Estimation Approach Affects Fiber Tractography of the Fornix in Preterm Brain
... our tractography analysis of the fornix in the preterm brain, it is clear that the choice of diffusion tensor estimation methodology is crucial and that it has a considerable impact on subsequent analyses for ...
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Diffusion Tensor Fiber Tractography for Arteriovenous Malformations: Quantitative Analyses to Evaluate the Corticospinal Tract and Optic Radiation
... ation tractography are supposed to be clinically feasible in considering the spatial distribution of eloquent fibers, though the correlation between tractographic appearance and clinical condition should be ...
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Diffusion Tensor Imaging and Fiber Tractography in Children with Craniosynostosis Syndromes
... Following DTI studies on ROIs, we now performed DTI FT to study WM tracts in patients with syndromic and complex cra- niosynostosis. The aim of the study was to investigate the reli- ability of this technique in an ...
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What can DTI add in acute ischemic stroke patients?
... In our study, we also found a significant statistical cor- relation between the pattern of white matter tract affec- tion as detected by 3D fiber tractography and the NIHSS score on admission and that on ...
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Diffusion Tractography Biomarkers of Pediatric Cerebellar Hypoplasia/Atrophy: Preliminary Results Using Constrained Spherical Deconvolution
... for fiber tractography recon- struction of afferent (CPCT) and efferent (CTT) cerebellar tracts and the CST in children with CH, PCH, and ...probabilistic tractography with constrained spherical ...
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A Method for Clustering White Matter Fiber Tracts
... matter fiber tracts in the ...long fiber tracts that connect anatomically distant brain ...of fiber tractography, several methods have been proposed to delineate anatomically distinct ...
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FLAIR Diffusion Tensor MR Tractography: Comparison of Fiber Tracking with Conventional Imaging
... Neural fiber tractography was performed with both sequences by using two algorithms: a voxel-based method (EZ-tracing) with global seed points and another based on subvoxel tractography (tensor ...
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Usefulness of Diffusion Tensor Tractography in Pediatric Epilepsy Surgery
... There are some limitations of our study. Firstly, DTT was not performed in all patients who underwent pediatric epi- lepsy surgery. DTT was not performed in the emergency unit. And if there was a tumor in some epilepsy ...
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Improved tractography using asymmetric fibre orientation distributions
... One limiting factor of the proposed method is that the width and amplitude (i.e., apparent fi bre density) of the fod will be in fl uenced by the chosen response function. Currently, the response function for each tissue ...
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Corticospinal Tract Compression by Hematoma in a Patient with Intracerebral Hemorrhage: A Diffusion Tensor Tractography and Functional MRI Study
... map. Fiber tracts passing through both ROIs were designated as the final tracts of ...3-D fiber tracts were then superimposed on the T2- weighted axial ...
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Using the Tractometer to assess performance of a new statistical tractography techniqu e
... This tractography method is motivated by and used for estimation of neural fibers in a brain from a dataset of observed noisy diffusion tensor imaging (DTI) components; see the model in the next ...
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Tractography for Arteriovenous Malformations Near the Sensorimotor Cortices
... ous tractography study has shown that vasogenic edema surrounding brain tumors hampers the depic- tion of eloquent tracts by using this technique ...performing fiber tracking, not only because of the edema ...
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Topological measures of connectomics for low grades Glioma
... the tractography of the brain from DTI for patients and control, generating the related structural connectome, on which topological measures are computed to compare the two groups: low grade glioma patients and ...
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Aberrant Midsagittal Fiber Tracts in Patients with Hemimegalencephaly
... and is observed in patients with agenesis of the corpus callo- sum. In patients with this condition, during development of axonal fibers (future callosal fibers), the fibers are incapable of crossing the midline due to ...
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