Results 1 to 10 of about 288,901 (266)

Diffusion MRI sampling schemes bias diffusion metrics and tractography [PDF]

open access: yesFrontiers in Neuroimaging
IntroductionDiffusion MRI is increasingly used to study white-matter architecture, but tractography and diffusion metrics can be biased by different sampling schemes.
Ivanei Bramati   +12 more
doaj   +2 more sources

Renal MRI Diffusion: Experimental Protocol [PDF]

open access: yes, 2021
AbstractRenal diffusion-weighted imaging (DWI) can be used to obtain information on the microstructure of kidney tissue, and has the potential to provide MR-biomarkers for functional renal imaging. Here we describe in a step-by-step experimental protocol the MRI method for measuring renal diffusion coefficients in rodents using ADC or IVIM models. Both
Periquito, J.S.   +4 more
openaire   +3 more sources

Diffusion MRI of the Hippocampus

open access: yesThe Journal of Neuroscience, 2023
The hippocampus is a brain structure that plays key roles in a variety of cognitive processes. Critically, a wide range of neurological disorders are associated with degeneration of the hippocampal microstructure, defined as neurons, dendrites, glial cells, and more.
Bradley G. Karat   +2 more
openaire   +2 more sources

Quantitative diffusion-weighted magnetic resonance imaging for prediction of early infection in pancreatic collections: Results of a pilot study

open access: yesThe Saudi Journal of Gastroenterology, 2020
Background/Aims: The development of infection in pancreatitis increases the mortality rate up to 32%. Therefore, it is important to identify patients who are at high risk of developing infection, at an early stage. The objectives of the study were (a) to
Binit Sureka   +8 more
doaj   +1 more source

Association between in-scanner head motion with cerebral white matter microstructure: a multiband diffusion-weighted MRI study [PDF]

open access: yesPeerJ, 2014
Diffusion-weighted Magnetic Resonance Imaging (DW-MRI) has emerged as the most popular neuroimaging technique used to depict the biological microstructural properties of human brain white matter.
Xiang-zhen Kong
doaj   +2 more sources

Magnetic resonance imaging prospects of prognostic value in women pelvic pathology

open access: yesСибирский научный медицинский журнал, 2021
Aim of the study was to estimate the prognostic value of perfusion and diffusion magnetic resonance imaging (MRI) methods in systemic evaluation of perifocal changes of malignant masses in women’s pelvis. Material and methods. A retrospective analysis of
T. A. Bergen   +3 more
doaj   +1 more source

Geodesic Uncertainty in Diffusion MRI

open access: yesFrontiers in Computer Science, 2021
We study theoretical and operational issues of geodesic tractography, a geometric methodology for retrieving biologically plausible neural fibers in the brain from diffusion weighted magnetic resonance imaging.
Rick Sengers, Luc Florack, Andrea Fuster
doaj   +1 more source

Diffusion tensor MRI phantom exhibits anomalous diffusion [PDF]

open access: yes2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014
This paper reports diffusion weighted MRI measurements of cyclohexane in a novel diffusion tensor MRI phantom composed of hollow coaxial electrospun fibers (average diameter 10.2 μm). Recent studies of the phantom demonstrated its potential as a calibration standard at low b values (less than 1000 s/mm2) for mean diffusivity and fractional anisotropy ...
Ye, Allen Q   +5 more
openaire   +2 more sources

Role of magnetic resonance diffusion imaging and apparent diffusion coefficient values in the evaluation of spinal tuberculosis in Indian patients

open access: yesIndian Journal of Radiology and Imaging, 2010
Aim: To define a range of apparent diffusion coefficient values in spinal tuberculosis and to evaluate the sensitivity of diffusion-weighted magnetic resonance imaging (DW-MRI) and apparent diffusion coefficient values in patients of spinal tuberculosis.
Lalitha Palle   +2 more
doaj   +1 more source

The Role of Diffusion Weighted MR Imaging in the Diagnosis of Tendon Injuries of the Ankle and Foot

open access: yesMedicina, 2022
Background and objectives: Our aim is to determine the diagnostic performance and utility of Diffusion Weighted MR Imaging (DWI) against the routine Magnetic Resonance Imaging (MRI) for the evaluation of patients with tendon injuries of the ankle and ...
Hasan Aydın   +3 more
doaj   +1 more source

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