Limitations of Diffusion Tensor Imaging
Diffusion Tensor Imaging in Joubert Syndrome
... We are aware that our study had limitations. The number of patients seemed small, but, with an estimated prevalence of 1:100,000, recruiting of patients with JS capable of cooperating sufficiently was very ...
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A hitchhiker's guide to diffusion tensor imaging
... Gaining increased popularity among clinicians and researchers, DTI is presently a promising tool for studying WM architecture in living humans, both in healthy conditions and in disease. However, it has a complex ...
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A review of diffusion tensor imaging studies in schizophrenia
... visualize diffusion data in a slice, and (Pierpaoli et ...principal diffusion direction, along with a color-coded out-of-plane component (Peled et ...
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Performances of diffusion kurtosis imaging and diffusion tensor imaging in detecting white matter abnormality in schizophrenia
... several limitations that should be addressed in future ...between imaging parameters and clinical data, although the primary purpose of this article is to test the feasibility of DKI in schizophrenia ...the ...
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Diffusion Tensor Imaging Biomarkers of Brain Development and Disease
... that diffusion tractography results can vary widely with the choice of q-space sampling and spatial resolution, even when the tissue being imaged and the total acquisition time are held ...major limitations ...
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Diffusion Tensor Imaging in Mild Traumatic Brain Injury Litigation
... Admission policies in many courts are relatively liberal, however, and not all jurisdictions apply the same standards; it therefore seems likely that DTI will continue to play a role in mTBI litigation despite the ...
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Diffusion Tensor MR Imaging in Cervical Spine Trauma
... echo-planar imaging (EPI) technique, whereas Mamata et al used a line-scan diffusion technique and Wheeler-Kingshott et al 17 used a zonally magnified oblique multi-slice (ZOOM)- EPI ...ratio ...
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Diffusion Tensor MR Imaging in Diffuse Axonal Injury
... One of the limitations of our study was that not all of the voxels in the white matter structures under investigation were used. Instead representative voxels were selected from each structure. Although the se- ...
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Principles and Limitations of Computational Algorithms in Clinical Diffusion Tensor MR Tractography
... from diffusion MR trac- tography and manganese-enhanced T1-weighted imaging should, therefore, be treated as ...clinical diffusion imaging with limited scanning time hardly reaches the data ...
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Diffusion Tensor MR Imaging in Chronic Spinal Cord Injury
... Study Limitations One potential limitation to this study was the use of a single- shot twice-refocused spin-echo EPI pulse sequence for obtain- ing DTI images of the spinal ...cord diffusion imaging, ...
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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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Role of Diffusion Tensor Imaging in epilepsy
... Regions in violet represent concurrence with our study. Uncinate fasciculus is a major white matter tract connecting anterior temporal and frontal lobes. It is important in the formation and retrieval of memories and is ...
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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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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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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... A recent IVIM-DTI study based on TSM estimation of kidney medulla and cortex regions was presented in [54]. Given that TSM and OSM methods are either sensitive to cut-off b-values [70] or initial values [6], there is the ...
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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... anisotropic diffusion parameters related to tissue micro- structures were not ...standard tensor metrics (such as FA and MD) ...motion diffusion tensor imaging (IVIM-DTI) meth- odology ...
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Simultaneous magnetic resonance diffusion and pseudo-diffusion tensor imaging
... anisotropic diffusion parameters related to tissue micro- structures were not ...standard tensor metrics (such as FA and MD) ...motion diffusion tensor imaging (IVIM-DTI) meth- odology ...
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Longitudinal diffusion tensor imaging in frontotemporal dementia
... A further problem in tracking progression in bvFTD is its broad pathological and clinical heterogene- ity. Predicting underlying pathology on clinical or radio- logical grounds remains challenging. As such, the use of ...
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