Fiber Tracking
Method for Combining Information from White Matter Fiber Tracking and Gray Matter Parcellation
... cospinal fiber tracts, and we were able to trace the fibers that were most affected by the tumor, which consistent with anatomic knowledge, were in close proximity to the hand strip of the left motor ...and ...
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Human Subinsular Asymmetry Studied by Diffusion Tensor Imaging and Fiber Tracking
... the fiber tracking was constrained by the 2 following ROIs, which were manually drawn on each subject’s color- coded diffusion maps: 1) a large occipital ROI drawn on a coronal section located just behind ...
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Semilobar Holoprosencephaly Seen with Diffusion Tensor Imaging and Fiber Tracking
... 6). Fiber tracking may be performed by defining a region of interest on the color maps or fractional anisotropy maps and in- terrogating the regions of interest for fibers having a minimal fractional ...
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Neural Network-Assisted Fiber Tracking of Synthetic and White Matter DT-MR Images
... A fiber tracking algorithm has been improved and tested with several synthetic and real DT-MRI data. This algorithm combines both the probability of advancing in a specific direction based on the projection ...
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Quantitative Fiber Tracking of the Optic Radiation Is Correlated with Visual Evoked Potential Amplitude in Preterm Infants
... for fiber tracking were placed in the white matter adjacent to the lateral geniculate ...by fiber tracking. The 3D tract was defined by the fiber tracking algorithm by using ...
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Advanced Fiber Tracking in Early Acquired Brain Injury Causing Cerebral Palsy
... estimated fiber di- rections due to complex fiber architecture or pathologic ...improve fiber tractography and characterization of motor and sensory fiber tracts in children with early ...
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MR Diffusion Tensor Imaging and Fiber Tracking in Spinal Cord Compression
... to fiber tracking, this tool seems to be more than just a visualization tool for the white mat- ter tracts of the spinal ...excellent. Fiber tracking can demonstrate specific white matter ...
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Fiber-Tracking Techniques Can Predict the Degree of Neurologic Impairment for Periventricular Leukomalacia
... When tracking of bilateral CSTs was complete, we performed sensory fiber-tracking in a similar ...perform fiber-tracking of sensory tracts, we set 2 ROIs in all ...1). Fiber- ...
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Evaluation of normal appearing spinal cord by diffusion tensor imaging, fiber tracking, fractional anisotropy, and apparent diffusion coefficient measurement in 13 dogs
... This study shows that the technique of diffusion ten- sor imaging (DTI) with subsequent tractography is ap- plicable to dogs of different breeds and size/body weight and allows the graphical depiction of canine spinal ...
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FLAIR Diffusion Tensor MR Tractography: Comparison of Fiber Tracking with Conventional Imaging
... successful fiber tracking (9) and must therefore be ...consistent fiber ori- entations (i.e., where the major neural fiber pathways are), the presence of noise would result in only in- creased ...
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Changes in Fiber Integrity, Diffusivity, and Metabolism of the Pyramidal Tract Adjacent to Gliomas: A Quantitative Diffusion Tensor Fiber Tracking and MR Spectroscopic Imaging Study
... including fiber tracking of the pyramidal tract, seg- mentation of pathologic metabolite changes in the Cho/NAA- ratio image, and coregistration of these results, were success- fully performed in all ...
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Quantitative Fiber Tracking Analysis of the Optic Radiation Correlated with Visual Performance in Premature Newborns
... this fiber tracking study are in good agreement with those from previous premature infant studies which use manually drawn regions of ...This fiber tracking study focused on an early but ...
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Evidence of Rapid Ongoing Brain Development Beyond 2 Years of Age Detected by Fiber Tracking
... the fiber tracking to ...of fiber tracking and volumetry, we found a decreasing fiber density at the CC, with ongoing brain maturation suggesting “thicker” fiber bundles from ...
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Probabilistic Fiber Tracking Reveals Degeneration of the Contralateral Auditory Pathway in Patients with Vestibular Schwannoma
... The high-resolution T1-weighted image was coregistered to the diffusion space to define the seed masks for fiber-tracking in diffusion space. We accepted the lower resolution of diffusion space so that seed ...
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MR Diffusion Tensor Imaging and Fiber Tracking in Inflammatory Diseases of the Spinal Cord
... However, MR imaging findings can be normal, whereas diagnosis is established on the basis of clinical and biologic abnormalities.2 Preliminary studies3-4 previously assessed the feasibil[r] ...
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MR Diffusion Tensor Imaging and Fiber Tracking in Spinal Cord Arteriovenous Malformations: A Preliminary Study
... A significant limitation of our conclusions is because of the low number of subjects and the heterogeneous patient population with a small number of patients with the respec- tive pathologies (1 patient with an edema and ...
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Diffusion Tensor Imaging in Amyotrophic Lateral Sclerosis: Volumetric Analysis of the Corticospinal Tract
... We observed a significant decrease in CST volume in pa- tients with ALS relative to healthy subjects. From a pathologic standpoint, CST degeneration might reasonably cause both FA decrease and CST volume loss. Manual ...
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Diffusion Tensor Imaging Characteristics of the Corpus Callosum in Mild, Moderate, and Severe Traumatic Brain Injury
... and fiber tracking char- acteristics of the callosal body in patients with severe TBI were not significantly different from those in other ...and fiber tracking characteristics between ...
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Functional outcome and complications after the microsurgical removal of giant vestibular schwannomas via the retrosigmoid approach: a retrospective review of 16-year experience in a single hospital
... In recent 3 years, multidisciplinary cooperation strategy was used to treat giant vestibular schwannoma, which in- cluded diffusion tensor imaging (DTI) FN fiber tracking technology preo[r] ...
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A GA-based Approach for Parameter Estimation in DT-MRI Tracking Algorithms
... of fiber tracking in diffusion tensor (DT) fields acquired via magnetic resonance (MR) ...probabilistic tracking al- gorithm by making use of a novel genetic algorithm which helps to optimize most of ...
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