Diffusion Tensor Imaging Metrics
Reducing CSF Partial Volume Effects to Enhance Diffusion Tensor Imaging Metrics of Brain Microstructure
... invaluable tool for identification of various brain disorders with the goal of informing therapeutic methods and eventual cures. In conjunction with the notable potential of these technologies to answer important ...
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Differentiation between high-grade gliomas and metastatic brain tumors using Diffusion Tensor Imaging metrics
... these two neoplasms is very important to achieve good clinical outcome as they have different management strategies (2) . In conventional MRI both neoplasms are of often similar in single lesion appearance as they both ...
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Role of Diffusion Tensor Imaging in epilepsy
... with diffusion tensor imaging have shown increased apparent diffusion coefficient and decreased fractional anisotropy in the seizure focus 3 ...altered diffusion tensor ...
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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... anisotropic diffusion pa- rameters related to tissue micro-structures were not ...higher-order metrics could be more vulnerable to experimental design and noise compared to standard ten- sor metrics ...
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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... anisotropic diffusion parameters related to tissue micro- structures were not ...higher-order metrics could be more vulnerable to experimental design and noise compared to standard tensor ...
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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... anisotropic diffusion parameters related to tissue micro- structures were not ...higher-order metrics could be more vulnerable to experimental design and noise compared to standard tensor ...
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Longitudinal diffusion tensor imaging in frontotemporal dementia
... An important issue that remains poorly understood is the choice of DTI metric to detect and track white mat- ter change. To date, most longitudinal DTI studies have reported only changes in FA, 34,35 although more ...
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DIFFUSION tensor imaging (DTI) enables noninvasive
... hand, tensor invariants can be defined on Riemannian manifolds, and their gradients can be measured with respect to the local metric tensor, as can the angles between gradients ...Riemannian tensor ...
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Inter Sequence and Inter Imaging Unit Variability of Diffusion Tensor MR Imaging Histogram Derived Metrics of the Brain in Healthy Volunteers
... togram-derived metrics rather than region of interest- derived metrics, because in the context of large scale studies, and, in particular, in the case of multifocal diseases, it might be unrealistic to try ...
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Diffusion Tensor Imaging in HIV and hepatitis C coinfection
... neuropsychological domains there was a trend for RD in the anterior CC to predict performance in executive functioning/working memory and psychomotor speed measures. The sample was relatively small, which may have ...
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Diffusion tensor imaging in the characterization of multiple system atrophy
... A support vector machine was used to assess diagnostic utility, leave-one-out cross-validation in the evaluation of classification schemes, and receiver operating characteristic analyses to determine cutoff values. ...
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Diffusion Tensor Imaging Properties and Neurobehavioral Outcomes in Children with Hydrocephalus
... Image processing and analysis were performed by using the DTIStudio 3.02 software (Johns Hopkins University, Baltimore, Maryland), 15 in which the automated image-registration method was used to correct for head motion ...
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DIFFUSION TENSOR IMAGING
... FIGURE 27.3. Schematic representation of water diffusion in the presence of (A) a nonoriented tissue structure and (B) an oriented tissue structure. Water mobility is highest along the direction with least ...
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Diffusion weighted imaging and diffusion tensor imaging in the evaluation of transplanted kidneys
... evaluate diffusion anisotropy measuring diffusion of water molecules for each single direction of the gradient ...of diffusion direction using DTI, that could be able to evaluate the degree of ...
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How To Calculate Diffusion Tensor Imaging
... estimate diffusion tensor MRI (DTI) measures, such as frac- tional anisotropy and fiber orientation, reliably, a large num- ber of diffusion-encoded images is needed, preferably cardiac gated to ...
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Diffusion Tensor Imaging in Joubert Syndrome
... MR imaging study demonstrated that 1 patient with JS showed a striking bilateral activation of the sensorimo- tor and cerebellar cortex, in contrast to the typical highly lat- eralized activation seen in control ...
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A hitchhiker's guide to diffusion tensor imaging
... ing diffusion summary measures and tissue fiber orientation, has made DTI widely used as a clinical tool, especially in condi- tions where abnormalities in WM are expected (Sundgren et ...
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Statistical analysis of diffusion tensor imaging
... any imaging plane [Hagmann et al., 2006]. As with all medical imaging techniques, MRI is a relatively new technol- ogy with its foundations beginning during the year of ...resonance imaging on small ...
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Diffusion-Weighted Imaging and Diffusion Tensor Imaging of Asymptomatic Lumbar Disc Herniation
... : Diffusion-weighted imaging (DWI) and diffusion tensor imaging (DTI) were per- formed on a healthy 31-year-old man with asymptomatic lumbar disc ...apparent diffusion coeffi- ...
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Analysis techniques for diffusion tensor imaging data
... 6. CONCLUSIONS AND FUTURE RESEARCH In paper 1, two simulations were performed. The first simulation showed that, in a general setting, the distribution of the Geisser-Greenhouse sphericity statistic can be approximated ...
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