Utility of a multiparametric quantitative MRI model that assesses myelin and edema for evaluating plaques, periplaque white matter, and normal-appearing white …

A Hagiwara, M Hori, K Yokoyama… - American Journal …, 2017 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: T1 and T2 values and proton density can now be
quantified on the basis of a single MR acquisition. The myelin and edema in a voxel can …

Analysis of white matter damage in patients with multiple sclerosis via a novel in vivo MR method for measuring myelin, axons, and g-ratio

A Hagiwara, M Hori, K Yokoyama… - American Journal …, 2017 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Myelin and axon volume fractions can now be estimated
via MR imaging in vivo, as can the g-ratio, which equals the ratio of the inner to the outer …

[HTML][HTML] Modeling the presence of myelin and edema in the brain based on multi-parametric quantitative MRI

M Warntjes, M Engström, A Tisell, P Lundberg - Frontiers in neurology, 2016 - frontiersin.org
The aim of this study was to present a model that uses multi-parametric quantitative MRI to
estimate the presence of myelin and edema in the brain. The model relates simultaneous …

Comparing MRI metrics to quantify white matter microstructural damage in multiple sclerosis

I Lipp, DK Jones, S Bells, E Sgarlata… - Human brain …, 2019 - Wiley Online Library
Quantifying white matter damage in vivo is becoming increasingly important for investigating
the effects of neuroprotective and repair strategies in multiple sclerosis (MS). While various …

Characterization of white matter lesions in multiple sclerosis using proton density and T1-relaxation measures

S Buch, K Subramanian, T Chen, Y Chen… - Magnetic Resonance …, 2024 - Elsevier
Purpose Although lesion dissemination in time is a defining characteristic of multiple
sclerosis (MS), there is a limited understanding of lesion heterogeneity. Currently …

White matter abnormalities in multiple sclerosis evaluated by quantitative synthetic MRI, diffusion tensor imaging, and neurite orientation dispersion and density …

A Hagiwara, K Kamagata, K Shimoji… - American Journal …, 2019 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: A number of MR-derived quantitative metrics have been
suggested to assess the pathophysiology of MS, but the reports about combined analyses of …

[HTML][HTML] Measuring longitudinal myelin water fraction in new multiple sclerosis lesions

WS Vargas, E Monohan, S Pandya, A Raj… - NeuroImage: Clinical, 2015 - Elsevier
Objectives Investigating the potential of myelin repair strategies in multiple sclerosis (MS)
requires an understanding of myelin dynamics during lesion evolution. The objective of this …

Dynamic contrast-enhanced magnetic resonance imaging suggests normal perfusion in normal-appearing white matter in multiple sclerosis

M Ingrisch, S Sourbron, S Herberich… - Investigative …, 2017 - journals.lww.com
Objectives Multiple sclerosis (MS) is a chronic, inflammatory disease of the central nervous
system and has been associated with reduced perfusion in normal-appearing white matter …

Myelin and axon pathology in multiple sclerosis assessed by myelin water and multi-shell diffusion imaging

R Rahmanzadeh, PJ Lu, M Barakovic, M Weigel… - Brain, 2021 - academic.oup.com
Damage to the myelin sheath and the neuroaxonal unit is a cardinal feature of multiple
sclerosis; however, a detailed characterization of the interaction between myelin and axon …

Texture analysis of T2-weighted MR images to assess acute inflammation in brain MS lesions

N Michoux, A Guillet, D Rommel, G Mazzamuto… - PloS one, 2015 - journals.plos.org
Brain blood barrier breakdown as assessed by contrast-enhanced (CE) T1-weighted MR
imaging is currently the standard radiological marker of inflammatory activity in multiple …