Results 181 to 190 of about 7,745 (211)

Optimal Experimental Design for Diffusion Kurtosis Imaging

IEEE Transactions on Medical Imaging, 2010
: Diffusion kurtosis imaging (DKI) is a new magnetic resonance imaging (MRI) model that describes the non-Gaussian diffusion behavior in tissues. It has recently been shown that DKI parameters, such as the radial or axial kurtosis, are more sensitive to ...
Dirk H J Poot, Arnold J Den Dekker, E Achten   +2 more
exaly   +5 more sources

MR diffusion kurtosis imaging for neural tissue characterization

NMR in Biomedicine, 2010
In conventional diffusion tensor imaging (DTI), water diffusion distribution is described as a 2nd-order three-dimensional (3D) diffusivity tensor. It assumes that diffusion occurs in a free and unrestricted environment with a Gaussian distribution of ...
Ed X Wu, Matthew M Cheung
exaly   +6 more sources

Value of diffusion kurtosis imaging in assessing low‐grade gliomas

Journal of Magnetic Resonance Imaging, 2018
Background Diffusion kurtosis imaging (DKI) measures have been shown to provide increased sensitivity relative to diffusion tensor imaging (DTI) in detecting pathologies.
Efrat Saraf-Lavi, Andrew A Maudsley
exaly   +2 more sources

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Diffusion Kurtosis Imaging in the Assessment of Cervical Carcinoma

Academic Radiology, 2020
To evaluate the additional value of diffusion kurtosis imaging (DKI) in the characterization of cervical carcinoma.Seventy-five patients (56.9 ± 13.4 years) with histologic-confirmed cervical carcinoma were included. Diffusion-weighted imaging (DWI) was acquired on a 3T MRI with five b values (0, 500, 800, 1000, and 1500 s/mm2).
Mandi Wang, Queenie Chan, Jianqing Sun   +2 more
exaly   +3 more sources

Evaluation of cerebral glioma using 3T diffusion kurtosis tensor imaging and the relationship between diffusion kurtosis metrics and tumor cellularity

Journal of International Medical Research, 2017
Purpose To evaluate the clinical utility of diffusion kurtosis tensor imaging in the characterization of cerebral glioma and investigate correlations between diffusion and kurtosis metrics with tumor cellularity.
Song Yang, Zhenlan Li, Sijia Wang
exaly   +2 more sources

Fast diffusion kurtosis imaging in acute ischemic stroke shows mean kurtosis‐diffusivity mismatch

Journal of Neuroimaging, 2022
Abstract Background and Purpose Diffusion kurtosis imaging (DKI) is an advanced technique more specific to irreversible ischemic injury than conventional diffusion‐weighted imaging (DWI). However, its clinical translation has been limited by a long acquisition time and complex postprocessing.
Ranliang Hu, Hahnsung Kim, Jinsuh Kim, Jason W. Allen, Phillip Zhe Sun   +4 more
openaire   +2 more sources

Diffusion kurtosis imaging in diffuse axonal injury

Voprosy neirokhirurgii imeni N.N. Burdenko, 2019
Diffuse axonal injury (DAI) is one of the most severe traumatic brain injuries. The availability of neuroimaging biomarkers for monitoring expansion of traumatic brain injury in vivo is a topical issue.To evaluate novel neuroimaging biomarkers for monitoring brain injury using diffusion kurtosis imaging (DKI) in patients with severe diffuse axonal ...
N E, Zakharova, A A, Potapov, I N, Pronin, G V, Danilov, E V, Aleksandrova, L M, Fadeeva, E L, Pogosbekyan, A I, Batalov, S A, Goryaynov   +8 more
openaire   +2 more sources

Optimized workflow for diffusion kurtosis imaging of newborns

2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2011
Diffusional kurtosis imaging (DKI) is a recently proposed extension of the conventional DTI model. It has been shown to offer more sensitive characterization of neural tissues than DTI. So far, DKI has only been applied to adult human and small animal studies, but not yet to human newborns.
Maryna Kudzinava, Dirk H. J. Poot, Annemarie Plaisier, Jan Sijbers   +3 more
openaire   +2 more sources

Diffusion Kurtosis Imaging as a Tool in Neurotoxicology

Neurotoxicity Research, 2019
This commentary serves as an introduction to the magnetic resonance imaging (MRI) technique called diffusion kurtosis imaging (DKI) employed in the study by Arab et al. in the present issue of Neurotoxicology Research. In their study, DKI is employed for longitudinal investigation of a methamphetamine intoxication model of Parkinson's disease.
openaire   +2 more sources

Does diffusion kurtosis imaging lead to better neural tissue characterization? A rodent brain maturation study

NeuroImage, 2009
Diffusion kurtosis imaging (DKI) can be used to estimate excess kurtosis, which is a dimensionless measure for the deviation of water diffusion profile from Gaussian distribution.
Matthew M Cheung, Edward S Hui, Kevin C Chan   +2 more
exaly   +2 more sources