Combined diffusion‐relaxometry microstructure imaging: Current status and future prospects

PJ Slator, M Palombo, KL Miller… - Magnetic resonance …, 2021 - Wiley Online Library
Microstructure imaging seeks to noninvasively measure and map microscopic tissue
features by pairing mathematical modeling with tailored MRI protocols. This article reviews …

Diffuse axonal injury has a characteristic multidimensional MRI signature in the human brain

D Benjamini, D Iacono, ME Komlosh, DP Perl… - Brain, 2021 - academic.oup.com
Axonal injury is a major contributor to the clinical symptomatology in patients with traumatic
brain injury. Conventional neuroradiological tools, such as CT and MRI, are insensitive to …

[HTML][HTML] Nonparametric D-R1-R2 distribution MRI of the living human brain

J Martin, A Reymbaut, M Schmidt, A Doerfler, M Uder… - NeuroImage, 2021 - Elsevier
Diffusion-relaxation correlation NMR can simultaneously characterize both the
microstructure and the local chemical composition of complex samples that contain multiple …

Three‐dimensional simultaneous brain mapping of T1, T2, and magnetic susceptibility with MR Multitasking

T Cao, S Ma, N Wang, S Gharabaghi… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To develop a new technique that enables simultaneous quantification of whole‐
brain T1, T2,, as well as susceptibility and synthesis of six contrast‐weighted images in a …

Toward nonparametric diffusion‐characterization of crossing fibers in the human brain

A Reymbaut, J Critchley, G Durighel… - Magnetic …, 2021 - Wiley Online Library
Purpose To estimate for each distinct fiber population within voxels containing multiple brain
tissue types. Methods A diffusion‐correlation experiment was carried out in an in vivo human …

Three‐dimensional whole‐brain simultaneous T1, T2, and T1ρ quantification using MR Multitasking: Method and initial clinical experience in tissue characterization …

S Ma, N Wang, Z Fan, M Kaisey… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To develop a 3D whole‐brain simultaneous T1/T2/T1ρ quantification method with
MR Multitasking that provides high quality, co‐registered multiparametric maps in 9 min …

Region‐optimized virtual (ROVir) coils: Localization and/or suppression of spatial regions using sensor‐domain beamforming

D Kim, SF Cauley, KS Nayak… - Magnetic Resonance …, 2021 - Wiley Online Library
Purpose In many MRI scenarios, magnetization is often excited from spatial regions that are
not of immediate interest. Excitation of uninteresting magnetization can complicate the …

Whole-brain imaging of subvoxel T1-diffusion correlation spectra in human subjects

AV Avram, JE Sarlls, PJ Basser - Frontiers in Neuroscience, 2021 - frontiersin.org
T1 relaxation and water mobility generate eloquent MRI tissue contrasts with great
diagnostic value in many neuroradiological applications. However, conventional methods …

Multidimensional MRI for characterization of subtle axonal injury accelerated using an adaptive nonlocal multispectral filter

D Benjamini, M Bouhrara, ME Komlosh, D Iacono… - Frontiers in …, 2021 - frontiersin.org
Multidimensional MRI is an emerging approach that simultaneously encodes water
relaxation (T 1 and T 2) and mobility (diffusion) and replaces voxel-averaged values with …

[HTML][HTML] Accuracy and repeatability of joint sparsity multi-component estimation in MR Fingerprinting

L Nunez-Gonzalez, MA Nagtegaal, DHJ Poot… - NeuroImage, 2022 - Elsevier
MR fingerprinting (MRF) is a promising method for quantitative characterization of tissues.
Often, voxel-wise measurements are made, assuming a single tissue-type per voxel …