Diffusion Tensor Imaging/methods
Simultaneous analysis and quality assurance for diffusion tensor imaging.
... Diffusion tensor imaging (DTI) enables non-invasive, cyto-architectural mapping of in vivo tissue microarchitecture through voxel-wise mathematical modeling of multiple magnetic resonance ...
15
Magnetic resonance imaging of the substantia nigra in parkinson’s disease : neuromelanin, iron and diffusion tensor imaging
... T2* imaging methods have shown a correlation between increased SN iron-related contrast and clinical severity (150), and T2’ an increased iron content in the SN (129) that correlated with motor features ...
193
Structural and Functional Brain Remodeling during Pregnancy with Diffusion Tensor MRI and Resting-State Functional MRI.
... MR diffusion tensor imaging (DTI) provides an unprecedented and quantitative capability to probing tissue microstructures noninvasively ...vivo methods can probe and quantify structural and ...
19
Methodological study on diffusion tensor indices in MS: analysis challenges and outcomes
... Diffusion tensor imaging (DTI) characterizes the diffusion properties of the tissues through a ...This tensor can be used to calculate scalar indices that are used to study white matter ...
67
Linear associations between clinically assessed upper motor neuron disease and diffusion tensor imaging metrics in amyotrophic lateral sclerosis.
... optimized tensor orientation for align- ment of white matter structures, described in more detail elsewhere [16], as implemented in the software DTI-TK (freely available at ...registration methods, and ...
9
Quantifying age-related differences in diffusion tensor imaging biomarkers for the male urethral sphincter of prostate cancer patients
... prostate diffusion tensor images were not performed in most existing studies [17], [92], [96], ...prospective methods has proven to be the most reliable option to correct for patient movement – in ...
91
Progressive gender differences of structural brain networks in healthy adults: a longitudinal, diffusion tensor imaging study.
... in diffusion ten- sor imaging (DTI) technique and graph theory methods have enabled quantitative mapping of brain anatomical network at different scales of investigation [17,18], and it has recently ...
18
Neuropsychological outcome and diffusion tensor imaging in complicated versus uncomplicated mild traumatic brain injury.
... There are several important limitations to this study. For example, we made no attempt to balance our groups on pre-injury psychiatric dimensions, which may have modified our re- sults, and there are other pertinent ...
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Current contribution of diffusion tensor imaging in the evaluation of diffuse axonal injury
... However, certain considerations for ROI analysis must be underscored: some information may be missed when only one area is being studied; it may be difficult to com- pare the same ROIs among individuals due to intrinsic ...
11
Multi-contrast multi-atlas parcellation of diffusion tensor imaging of the human brain.
... For quantitative analysis of the human brain anatomy, defining structures or regions of interest (ROIs) is one of the first essential steps. There are many types of automated or manual approaches that have been proposed ...
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Time-optimized high-resolution readout-segmented diffusion tensor imaging.
... prominent methods to address this problem is the total variation method (TV) introduced by Rudin, Osher and Fatemi usually referred to as the ROF model ...even tensor valued images, including ...
12
Diffusion tensor tractography versus volumetric imaging in the diagnosis of behavioral variant frontotemporal dementia.
... could methods for detecting white matter changes be more sensitive than measures of cortical integrity? Cortical volume loss in neurodegenerative disease probably represents loss of single neurons (soma) and ...
9
New insights into the developing rabbit brain using diffusion tensor tractography and generalized q-sampling MRI.
... neuroimaging methods to characterize the complex anatomy of brain development at different stages reveals an enormous wealth of information in understand- ing this highly ordered process and provides clues to ...
15
Preoperative axillary staging with 3.0-T breast MRI: clinical value of diffusion imaging and apparent diffusion coefficient.
... Axillary staging of newly diagnosed breast cancer is under intense research and development. Axillary lymph node dissection (ALND), the former gold standard for axillary staging, has been replaced by less invasive ...
14
Computer methods for performance optimization in medical imaging networks
... Dicoogle is an open source PACS. Its implementation started in 2007 and has since been tested in multiple contexts. Besides supporting standard DICOM semantics, Dicoogle leverages peer-to-peer communication models and ...
162
Visual brain areas in obsessive compulsive disorder : a diffusion tensor imaging approach
... resonance imaging (fMRI) studies have showed that these patients exhibit a greater activation on the bilateral orbitofrontal regions and right cingulate, while performing a visuo-emotional eliciting task, whereas ...
41
PRE- AND POSTOPERATIVE IMAGING METHODS IN COLORECTAL CANCER
... resonance imaging (MRI), and transrectal ultrasonography have gained significant ground in the clinical practice of pre-treatment, screening and, more recently, post-treatment and surgical ...staging. ...
5
Concentration dependent diffusion in building materials - application of different methods
... The life of building structures is dependent on moisture performance of the porous materials. The specification of any porous building material with respect to moisture performance requires the knowledge of some ...
5
About Classification Methods Based on Tensor Modelling for Hyperspectral Images
... The emergence of hyper spectral images (HSI) implies the exploration and the collection of a huge amount of data. Imaging sensors provide typically up to several hundreds of spectral bands. This unreasonably large ...
16
Diffusion Weighted MR Imaging Findings in an 2008
... tumor markers. No primary malignancy was detected on cervical, chest, abdominal, or pelvic CT. After 3 weeks of treatment with high- dose clindamycin and gentamicin without clinical improvement or imaging findings ...
2