Microstructural imaging of the human brain with a 'super-scanner': 10 key advantages of ultra-strong gradients for diffusion MRI

DK Jones, DC Alexander, R Bowtell, M Cercignani… - NeuroImage, 2018 - Elsevier
The key component of a microstructural diffusion MRI 'super-scanner'is a dedicated high-
strength gradient system that enables stronger diffusion weightings per unit time compared …

[HTML][HTML] Gradient waveform design for tensor-valued encoding in diffusion MRI

F Szczepankiewicz, CF Westin, M Nilsson - Journal of Neuroscience …, 2021 - Elsevier
Diffusion encoding along multiple spatial directions per signal acquisition can be described
in terms of a b-tensor. The benefit of tensor-valued diffusion encoding is that it unlocks …

Maxwell‐compensated design of asymmetric gradient waveforms for tensor‐valued diffusion encoding

F Szczepankiewicz, CF Westin… - Magnetic resonance in …, 2019 - Wiley Online Library
Purpose Diffusion encoding with asymmetric gradient waveforms is appealing because the
asymmetry provides superior efficiency. However, concomitant gradients may cause a …

Point spread function map** with parallel imaging techniques and high acceleration factors: Fast, robust, and flexible method for echo‐planar imaging distortion …

M Zaitsev, J Hennig, O Speck - Magnetic Resonance in …, 2004 - Wiley Online Library
Echo‐planar imaging (EPI) is an ultrafast magnetic resonance (MR) imaging technique
prone to geometric distortions. Various correction techniques have been developed to …

DR-BUDDI (Diffeomorphic Registration for Blip-Up blip-Down Diffusion Imaging) method for correcting echo planar imaging distortions

MO Irfanoglu, P Modi, A Nayak, EB Hutchinson, J Sarlls… - Neuroimage, 2015 - Elsevier
We propose an echo planar imaging (EPI) distortion correction method (DR-BUDDI),
specialized for diffusion MRI, which uses data acquired twice with reversed phase encoding …

Effects of image distortions originating from susceptibility variations and concomitant fields on diffusion MRI tractography results

MO Irfanoglu, L Walker, J Sarlls, S Marenco… - Neuroimage, 2012 - Elsevier
In this work we investigate the effects of echo planar imaging (EPI) distortions on diffusion
tensor imaging (DTI) based fiber tractography results. We propose a simple experimental …

Image distortion correction in EPI: comparison of field map** with point spread function map**

H Zeng, RT Constable - … in Medicine: An Official Journal of the …, 2002 - Wiley Online Library
Echo‐planar imaging (EPI) can provide rapid imaging by acquiring a complete k‐space data
set in a single acquisition. However, this approach suffers from distortion effects in geometry …

Development of a symmetric echo planar imaging framework for clinical translation of rapid dynamic hyperpolarized 13C imaging

JW Gordon, DB Vigneron… - Magnetic resonance in …, 2017 - Wiley Online Library
Purpose To develop symmetric echo planar imaging (EPI) and a reference scan framework
for hyperpolarized 13C metabolic imaging. Methods Symmetric, ramp‐sampled EPI with …

Spiral imaging: a critical appraisal

KT Block, J Frahm - … Resonance Imaging: An Official Journal of …, 2005 - Wiley Online Library
In view of recent applications in cardiovascular and functional brain imaging, this work
revisits the basic performance characteristics of spiral imaging in direct comparison to echo …

Diffusion tensor MRI of chemotherapy-induced cognitive impairment in non-CNS cancer patients: a review

S Deprez, T Billiet, S Sunaert, A Leemans - Brain imaging and behavior, 2013 - Springer
Patients with non-central nervous system cancers often experience subtle cognitive deficits
after treatment with cytotoxic agents. Therapy-induced structural changes to the brain could …