Results 21 to 30 of about 2,847,330 (149)

Diffusion kurtosis and quantitative susceptibility mapping MRI are sensitive to structural abnormalities in amyotrophic lateral sclerosis

NeuroImage: Clinical, 2019
Objective: To construct a clinical diagnostic biomarker using state-of-the-art microstructural MRI in the motor cortex of people with amyotrophic lateral sclerosis (ALS).
Thomas Welton, Jerome J. Maller, R. Marc Lebel, Ek T. Tan, Dominic B. Rowe, Stuart M. Grieve   +5 more
doaj   +1 more source

Quantitative assessment of structural connectivity alteration in glioma patients through diffusion kurtosis imaging and graph metrics [PDF]

, 2022
openLa Diffusion Kurtosis Imaging (DKI) è una tecnica di analisi di neuroimmagine che modella il pattern di diffusione delle molecole d'acqua ed il complesso ambiente microstrutturale del cervello attraverso l'estrazione di specifiche metriche di ...
GUARNACCIA, FRANCESCO
core  

Diffusional Kurtosis Imaging in the Diffusion Imaging in Python Project

Frontiers in Human Neuroscience, 2021
Diffusion-weighted magnetic resonance imaging (dMRI) measurements and models provide information about brain connectivity and are sensitive to the physical properties of tissue microstructure.
Rafael Neto Henriques, Marta M. Correia, Maurizio Marrale, Maurizio Marrale, Elizabeth Huber, John Kruper, Serge Koudoro, Jason D. Yeatman, Jason D. Yeatman, Eleftherios Garyfallidis, Ariel Rokem   +10 more
doaj   +1 more source

Finsler geometry on higher order tensor fields and applications to high angular resolution diffusion imaging. [PDF]

, 2009
We study 3D-multidirectional images, using Finsler geometry. The application considered here is in medical image analysis, specifically in High Angular Resolution Diffusion Imaging (HARDI) (Tuch et al. in Magn. Reson. Med.
Florack, L.M.J., Luc Florack, Florack, Luc, Florack, LMJ Luc, Astola, Laura, Florack, L., Astola, LJ Laura, Laura Astola, Astola, L.J., Astola, L.   +9 more
core   +2 more sources

In Vivo Tensor‐Valued Diffusion Magnetic Resonance Imaging Reveals Isotropic‐Anisotropic Kurtosis Mismatch in a Rat Middle Cerebral Artery Occlusion Stroke Model

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background Tensor‐valued diffusion magnetic resonance imaging enables the separation of total kurtosis into isotropic and anisotropic components, offering improved specificity over conventional diffusion kurtosis imaging.
Mingyao Liang, Jianyu Yuan, Chaogang Tang, Pingfu Wang, Tingting Gu, Zhao‐Yu Deng, Weiming Sun, Xinming Yang, Yaohui Tang, Ye Li, Yi He   +10 more
doaj   +1 more source

Investigating the relationship between diffusion kurtosis tensor imaging (DKTI) and histology within the normal human brain

Scientific Reports, 2021
Measurements of water diffusion with MRI have been used as a biomarker of tissue microstructure and heterogeneity. In this study, diffusion kurtosis tensor imaging (DKTI) of the brain was undertaken in 10 healthy volunteers at a clinical field strength ...
Ahmed Maiter, Frank Riemer, Kieren Allinson, Fulvio Zaccagna, Mireia Crispin-Ortuzar, Marcel Gehrung, Mary A. McLean, Andrew N. Priest, James Grist, Tomasz Matys, Martin J. Graves, Ferdia A. Gallagher   +11 more
doaj   +1 more source

Combined Application of Quantitative Susceptibility Mapping and Diffusion Kurtosis Imaging Techniques to Investigate the Effect of Iron Deposition on Microstructural Changes in the Brain in Parkinson’s Disease

Frontiers in Aging Neuroscience, 2022
ObjectivesBrain iron deposition and microstructural changes in brain tissue are associated with Parkinson’s disease (PD). However, the correlation between these factors in Parkinson’s disease has been little studied.
Lin Yang, Lin Yang, Yan Cheng, Yongyan Sun, Yinghua Xuan, Jianping Niu, Jitian Guan, Yunjie Rong, Yanlong Jia, Zerui Zhuang, Gen Yan, Renhua Wu, Renhua Wu   +12 more
doaj   +1 more source

Diffusion kurtosis imaging based on adaptive spherical integral [PDF]

, 2011
Diffusion kurtosis imaging (DKI) is a recent approach in medical engineering that has potential value for both neurological diseases and basic neuroscience research. In this letter, we develop a robust method based on adaptive spherical integral that can
Liu, Y, Yizhou Yu, Chen, L, Yugang Liu, Yu, Y, Leiting Chen   +5 more
core   +1 more source

Spatially selective 2D RF inner field of view (iFOV) diffusion kurtosis imaging (DKI) of the pediatric spinal cord

NeuroImage: Clinical, 2016
Magnetic resonance based diffusion imaging has been gaining more utility and clinical relevance over the past decade. Using conventional echo planar techniques, it is possible to acquire and characterize water diffusion within the central nervous system (
Chris J. Conklin, Devon M. Middleton, Mahdi Alizadeh, Jürgen Finsterbusch, David L. Raunig, Scott H. Faro, Pallav Shah, Laura Krisa, Rebecca Sinko, Joan Z. Delalic, M.J. Mulcahey, Feroze B. Mohamed   +11 more
doaj   +1 more source

Temporal lobe microstructural abnormalities in patients with nasopharyngeal carcinoma quantitatively evaluated by high-resolution DWI and DKI after concurrent chemoradiotherapy

Clinical and Translational Radiation Oncology, 2020
Purpose: To investigate temporal lobe microstructural abnormalities and neurocognitive function impairment after concurrent chemoradiotherapy (CCRT) in patients with nasopharyngeal carcinoma (NPC).
Gang Wu, Rui-rui Li, Priya S. Balasubramanian, Meng-meng Li, Kai Yang, Wei-yuan Huang, Feng Chen   +6 more
doaj   +1 more source