[PDF] Top 20 Diffusion tensor echo planar imaging with high spatial resolution and its applications
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Diffusion tensor echo planar imaging with high spatial resolution and its applications
... navigator echo is a representation of the projection of all the spins contained in a plane perpendicular to the direction of frequency ...different echo times with different off-resonance effect (Heid, ... See full document
166
High Resolution Diffusion Tensor Imaging of the Brain Stem at 3 T
... 3-T high-spatial-resolution brain stem imaging with SENSE ...single-shot echo planar (SS-EP) im- aging; TR/TE, 5000/97 ms; field of view [FOV], 202 mm; isotropic ... See full document
6
Evaluating Instantaneous Perfusion Responses of Parotid Glands to Gustatory Stimulation Using High Temporal Resolution Echo Planar Diffusion Weighted Imaging
... temporal resolution of DWI, which might po- tentially influence researchers in interpreting parotid gland func- tion, has not been documented to date, to our ...a high-temporal-resolution ... See full document
7
Preliminary Experience with Visualization of Intracortical Fibers by Focused High Resolution Diffusion Tensor Imaging
... of diffusion tractography, our study did not have the microscopic resolu- tion of invasive ...higher spatial resolution are necessary to clarify the origin of the anisotropy pattern observed within ... See full document
5
Diffusion Tensor Imaging of the Normal Pediatric Spinal Cord Using an Inner Field of View Echo Planar Imaging Sequence
... MR imaging scanner and pilot tested on phantom models and adult subjects, as well as children to optimize scanning ...several diffusion directions, multiple signal in- tensity averages, different b-values, ... See full document
7
High Resolution Line Scan Diffusion Tensor MR Imaging of White Matter Fiber Tract Anatomy
... the diffusion-encoding gradients also act as spin-echo crusher ...Two diffusion-weighted images instead of only one are acquired for various reasons, such as reduction of average gradient load and ... See full document
9
Diffusion Weighted Imaging with Dual Echo Echo Planar Imaging for Better Sensitivity to Acute Stroke
... quire echo 2 with no increase in overall scanning time compared with its single-echo alternative, because its incorporation exploited the dead time of the sequence (ie, for 23 sections, the ... See full document
10
Spatial Modeling of Positive Definite Matrices and Its Applications to Diffusion Tensor Imaging.
... In comparison to the SWP model, the CDP model is a more feasible model with computa- tional convenience brought by Gaussian processes. Moreover, since the underlying mechanism of the DT’s spatial dependence is ... See full document
106
Diffusion tensor MR Imaging of the Human Brain with Gradient and Spin echo Readout: Technical Note
... MR imaging of the brain has been proposed as a noninvasive technique that pro- vides microstructural and physiological informa- tion regarding brain tissue in vivo by measuring the diffusion of water (1, ... See full document
5
High Resolution Diffusion Weighted Imaging of Neck Lymph Nodes Using 2D Single Shot Interleaved Multiple Inner Volume Imaging Diffusion Weighted Echo Planar Imaging at 3T
... A neuroradiologist reviewed all the imaging studies. LNs that had a maximum short axial diameter ⬎ 4 mm on b-10 images were in- cluded. ADC maps (square millimeters per second) were measured in a total of 58 LNs ... See full document
5
Turbo spin echo diffusion weighted MR of ischemic stroke
... Because diffusion techniques are intrinsically ex- tremely sensitive to motion, they were at first difficult to implement with patients in whom imaging was ...fasting imaging techniques were deemed ... See full document
8
Clinical Application of Readout Segmented− Echo Planar Imaging for Diffusion Weighted Imaging in Pediatric Brain
... higher spatial resolution as well as reduced blurring and distortions on RS- EPI scans improved anatomic details at the cortical-subcorti- cal levels, brain stem, temporal and inferior frontal lobes, skull ... See full document
6
A Diffusion Tensor Imaging Study of Motor Fibre Path Integrity and Overt Responsiveness in Disorders of Consciousness
... several diffusion tensor imaging studies have tried to reconstruct the fibres connecting the thalamus to the primary motor cortex, in vivo, in the hope of identifying specific thalamic nuclei ... See full document
138
MR Imaging Related Heating of Deep Brain Stimulation Electrodes: In Vitro Study
... Systems, Iselin, NJ) with a head transmit-receive coil. A special Plexiglas phantom designed to approximate the size and shape of the human head and torso was developed and filled with a semi-solid aqueous gel prepared ... See full document
8
Are ADC values of readout segmented echo planar diffusion weighted imaging (RESOLVE) correlated with pathological prognostic factors in rectal adenocarcinoma?
... The results of studies about the correlation between ADC values and the degree of tumour differentiation and TN stage in RAC are controversial. More re- searchers [9–12] believed that the ADC values were dif- ferent in ... See full document
9
Diffusion Weighted Imaging and Diffusion Tensor Imaging for Differentiating High Grade Glioma from Solitary Brain Metastasis: A Systematic Review and Meta Analysis
... MR imaging techniques in attempts to differentiate the infiltrative edema of glioma from metastatic va- sogenic ...in high-grade glioma were sig- nificantly higher than those in brain metastases, 6,8 ... See full document
7
Use of Non Echo Planar Diffusion Weighted MR Imaging for the Detection of Cholesteatomas in High Risk Tympanic Retraction Pockets
... the imaging planes, we per- formed the following protocol: sagittal T1 turbo inversion recov- ery magnitude dark fluid sequence (TR, 1710 ms; TE, 12 ms; TI, 860 ms; flip angle, 150°; matrix, 202 ⫻ 256; FOV, 219 ⫻ ... See full document
5
High Resolution MR Cisternography of the Cerebellopontine Angle, Obtained with a Three Dimensional Fast Asymmetric Spin Echo Sequencein a 0 35 T Open MR Imaging Unit
... Summary: High-resolution MR cisternography performed with 3D fast asymmetric spin-echo imaging (3D fast spin- echo with an ultra-long echo train length and asymmetric Fourier ... See full document
5
The role of dual spin echo in increasing resolution in diffusion weighted imaging of brain
... The basic EPI pulse sequence is based on the spin-warp and Fourier imaging methods used in MRI [6]. Using EPI sequence allow the reconstruction of the image by obtained all the necessary signal in a single shot, ... See full document
6
Diffusion Tensor MR Imaging of High Grade Cerebral Gliomas
... the high-grade glioma was histologically verified by means of either stereotactic biopsy or surgical resection after MR ...Brain Imaging Research Centre for ... See full document
8
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