DTI - Diffusion Tensor Imaging
Correlations between Diffusion Tensor Imaging (DTI) and Magnetic Resonance Spectroscopy (1H MRS) in schizophrenic patients and normal controls
... Alterations in connectivity between brain regions includ- ing the frontal lobe, basal forebrain and limbic system, have been proposed as network deficits in schizophrenia [1-6]. Connections between the prefrontal cortex ...
11
A study of diffusion tensor imaging of median nerve in diabetic peripheral neuropathy
... Apparent diffusion coefficient; CMAP: Compound muscle action potentials; CV: Conduction velocity; DM: Diabetes mellitus; DNE: Diabetic Neuropathy Examination; DPN: Diabetic peripheral neuropathy; DTI: ...
8
Forensic Application of Postmortem Diffusion Weighted and Diffusion Tensor MR Imaging of the Human Brain in Situ
... ⫽ diffusion-weighted imaging, DTI ⫽ diffusion tensor imaging; FA ⫽ fractional anisotropy; FSE ⫽ fast spin-echo; GM ⫽ gray matter, HF ⫽ cardiac failure; MRI ⫽ MR imaging; ...
7
Cost Analysis of Diffusion Tensor Imaging and MR Tractography of the Brain
... of diffusion tensor imaging (DTI) and MR tractography reconstruction of the ...of DTI with MR tractography were determined prospectively with time and mo- tion analysis in a ...of ...
11
Diffusion Tensor Imaging of the Hippocampal Formation in Temporal Lobe Epilepsy
... We evaluated 12 patients with unilateral nonlesional TLE and 14 healthy subjects by using DTI of the brain. Their age and sex information is provided in Tables 1 and 2. The age range was 27–59 years for the ...
6
Quantitative analysis and comparison of diffusion tensor imaging tractography algorithms
... Section IV presents the different analysis methods performed: a comparison between two tractography algorithms using a synthetic DTI dataset subsection a, quantification and measures of [r] ...
6
Diffusion Tensor Imaging of Tract Involvement in Children with Pontine Tumors
... DTI data were analyzed in a retrospective study of 3 groups. The experimental group consisted of 6 patients with diffuse pontine tu- mors and 1 with a focal pontine tumor. The mean age of the patient group was 7.7 ...
8
Measuring Myelin Repair and Axonal Loss with Diffusion Tensor Imaging
... apparent diffusion coefficient (compara- ble with MD), ...to DTI mea- ...Medical Imaging Systems, Leiden, the Netherlands) was used to measure T2 lesion ...
7
Diffusion Tensor Imaging Properties and Neurobehavioral Outcomes in Children with Hydrocephalus
... longitudinal DTI studies of hydroceph- alus in children are ...use DTI to evaluate white matter integrity as a noninvasive bio- marker to quantify in vivo injury and posttreatment recovery in children with ...
7
Diffusion Tensor Imaging and Fiber Tractography in Children with Craniosynostosis Syndromes
... on DTI parameters and was therefore excluded from our ...4 diffusion properties (FA, MD, AD, and RD) and 11 WM struc- tures (corpus callosum [genu, corpus, splenium, and total], bilateral cingulate gyrus, ...
7
Diffusion Tensor Imaging of Spinocerebellar Ataxias Types 1 and 2
... ADC and FA were measured with planar circular regions of inter- est (ROIs) positioned on the DTI color maps jointly (ie, once per patient), by 2 neuroradiologists blinded to patient identity, clinical data, and ...
5
Imaging Arterial Fibres Using Diffusion Tensor Imaging—Feasibility Study and Preliminary Results
... usion Tensor Imaging (DTI) [16]. DTI is capable of describing the degree of anisotropy of a tissue by analysing the diffusion of water ...[17]. DTI consists of measuring the diffusion ...
13
Comparative Analysis of Diffusional Kurtosis Imaging, Diffusion Tensor Imaging, and Diffusion Weighted Imaging in Grading and Assessing Cellular Proliferation of Meningiomas
... show that DKI had significantly greater diagnostic properties than DTI in grading meningiomas. In the future, external validation should be performed on a new population to confirm our find- ings. In addition, a ...
7
Toward Precision and Reproducibility of Diffusion Tensor Imaging: A Multicenter Diffusion Phantom and Traveling Volunteer Study
... automated DTI measurements of the present study using TBSS, which has the added advantage of evaluating white matter throughout the entire brain instead of only a few selected ...prior DTI study of mild ...
9
High b Value Diffusion Tensor Imaging of the Neonatal Brain at 3T
... tropic diffusion image contrast with increasing b-value may have an important clinical use to identify lesions in some pathologic processes in the neonatal ...images, DTI obtained at a b-value of 1500 s/mm ...
7
Injuries of neural tracts in a patient with CADASIL: a diffusion tensor imaging study
... echo-planar imaging. For each of the 32 non-collinear diffusion sensitizing gradi- ents, we acquired 67 contiguous slices parallel to the anterior commissure-posterior commissure ...line. Imaging ...
5
Effects of Number of Diffusion Gradient Directions on Derived Diffusion Tensor Imaging Indices in Human Brain
... 3 DTI datasets with the use of AIR ...without diffusion weighting (b ⫽ 0) in 1 of the 3 protocol datasets were randomly selected as reference, and images (b ⫽ 0) from the other 2 protocols were coregistered ...
6
Primary Cerebral Lymphoma and Glioblastoma Multiforme: Differences in Diffusion Characteristics Evaluated with Diffusion Tensor Imaging
... weighted imaging (T1WI) performed before and after intravenous administration of ...MR imaging studies were performed as a single MR imaging investigation on a 3T MR imaging unit (Magnetom ...
5
Mapping the Orientation of White Matter Fiber Bundles: A Comparative Study of Diffusion Tensor Imaging, Diffusional Kurtosis Imaging, and Diffusion Spectrum Imaging
... kurtosis tensor enables DKI to directly resolve crossing fibers and improves the accuracy of DKI relative to DTI for ...and DTI are capable of mapping the single predominant fiber bundle orientation, ...
7
MR Imaging, MR Spectroscopy, and Diffusion Tensor Imaging of Sequential Studies in Neonates with Encephalopathy
... and DTI, some areas will appear more severely injured and some less injured, depending on the timing of the scan with respect to the ...if diffusion and spectroscopy are ...
15