[HTML][HTML] Challenges for biophysical modeling of microstructure

IO Jelescu, M Palombo, F Bagnato… - Journal of Neuroscience …, 2020 - Elsevier
The biophysical modeling efforts in diffusion MRI have grown considerably over the past 25
years. In this review, we dwell on the various challenges along the journey of bringing a …

[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 …

Probing renal microstructure and function with advanced diffusion MRI: concepts, applications, challenges, and future directions

J Stabinska, HJ Wittsack, LO Lerman… - Journal of Magnetic …, 2024 - Wiley Online Library
Diffusion measurements in the kidney are affected not only by renal microstructure but also
by physiological processes (ie, glomerular filtration, water reabsorption, and urine …

Double diffusion encoding and applications for biomedical imaging

RN Henriques, M Palombo, SN Jespersen… - Journal of Neuroscience …, 2021 - Elsevier
Abstract Diffusion Magnetic Resonance Imaging (dMRI) is one of the most important
contemporary non-invasive modalities for probing tissue structure at the microscopic scale …

Motion‐compensated gradient waveforms for tensor‐valued diffusion encoding by constrained numerical optimization

F Szczepankiewicz, J Sjölund… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose Diffusion‐weighted MRI is sensitive to incoherent tissue motion, which may
confound the measured signal and subsequent analysis. We propose a “motion …

MR fingerprinting with b‐tensor encoding for simultaneous quantification of relaxation and diffusion in a single scan

M Afzali, L Mueller, K Sakaie, S Hu… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose Although both relaxation and diffusion imaging are sensitive to tissue
microstructure, studies have reported limited sensitivity and robustness of using relaxation or …

Motion‐compensated b‐tensor encoding for in vivo cardiac diffusion‐weighted imaging

S Lasič, F Szczepankiewicz… - NMR in …, 2020 - Wiley Online Library
Motion is a major confound in diffusion‐weighted imaging (DWI) in the body, and it is a
common cause of image artefacts. The effects are particularly severe in cardiac applications …

[HTML][HTML] Advanced spinal cord MRI in multiple sclerosis: Current techniques and future directions

AJE Combes, MA Clarke, KP O'Grady, KG Schilling… - NeuroImage: Clinical, 2022 - Elsevier
Spinal cord magnetic resonance imaging (MRI) has a central role in multiple sclerosis (MS)
clinical practice for diagnosis and disease monitoring. Advanced MRI sequences capable of …

Early assessment of acute kidney injury in severe acute pancreatitis with multimodal DWI: An animal model

X Li, Z Li, L Liu, Y Pu, Y Ji, W Tang, T Chen, Q Liang… - European …, 2023 - Springer
Objectives To evaluate the feasibility of multimodal diffusion-weighted imaging (DWI) for
detecting the occurrence and severity of acute kidney injury (AKI) caused by severe acute …

Stay on the Beat With Tensor-Valued Encoding: Time-Dependent Diffusion and Cell Size Estimation in ex vivo Heart

S Lasič, N Yuldasheva, F Szczepankiewicz… - Frontiers in …, 2022 - frontiersin.org
Diffusion encoding with free gradient waveforms can provide increased microstructural
specificity in heterogeneous tissues compared to conventional encoding approaches. This is …