Foundations of MRI phase imaging and processing for Quantitative Susceptibility Mapping (QSM)

F Schweser, A Deistung, JR Reichenbach - Zeitschrift für medizinische …, 2016 - Elsevier
Abstract Quantitative Susceptibility Mapping (QSM) is a novel MRI based technique that
relies on estimates of the magnetic field distribution in the tissue under examination. Several …

Advanced MRI techniques to improve our understanding of experience-induced neuroplasticity

CL Tardif, CJ Gauthier, CJ Steele, PL Bazin, A Schäfer… - Neuroimage, 2016 - Elsevier
Over the last two decades, numerous human MRI studies of neuroplasticity have shown
compelling evidence for extensive and rapid experience-induced brain plasticity in vivo. To …

In Vivo 7-Tesla MRI investigation of brain iron and its metabolic correlates in chronic schizophrenia

P Ravanfar, WT Syeda, M Jayaram, RJ Rushmore… - Schizophrenia, 2022 - nature.com
Brain iron is central to dopaminergic neurotransmission, a key component in schizophrenia
pathology. Iron can also generate oxidative stress, which is one proposed mechanism for …

[HTML][HTML] QSMART: quantitative susceptibility mapping artifact reduction technique

N Yaghmaie, WT Syeda, C Wu, Y Zhang, TD Zhang… - Neuroimage, 2021 - Elsevier
Purpose: Quantitative susceptibility mapping (QSM) is a novel MR technique that allows
mapping of tissue susceptibility values from MR phase images. QSM is an ill-conditioned …

Investigation of Brain Iron in Niemann-Pick Type C: A 7T Quantitative Susceptibility Mapping Study

P Ravanfar, WT Syeda, RJ Rushmore… - American Journal …, 2023 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: While brain iron dysregulation has been observed in
several neurodegenerative disorders, its association with the progressive …

Region expansion of background field removal with local spherical harmonics approximation for whole-brain quantitative susceptibility mapping

T Shirai, R Sato, Y Kawata, Y Bito… - Magnetic Resonance in …, 2023 - jstage.jst.go.jp
Purpose: Quantitative susceptibility mapping (QSM) is useful for obtaining biological
information. To calculate susceptibility distribution, it is necessary to calculate the local field …

The comorbidity and cognition in multiple sclerosis (CCOMS) neuroimaging protocol: study rationale, MRI acquisition, and minimal image processing pipelines

MN Uddin, TD Figley, J Kornelsen… - Frontiers in …, 2022 - frontiersin.org
The Comorbidity and Cognition in Multiple Sclerosis (CCOMS) study represents a
coordinated effort by a team of clinicians, neuropsychologists, and neuroimaging experts to …

Investigation of brain iron in anorexia nervosa, a quantitative susceptibility mapping study

P Ravanfar, RJ Rushmore, AE Lyall, V Cropley… - Journal of Eating …, 2023 - Springer
Background Anorexia nervosa (AN) is a potentially fatal psychiatric condition, associated
with structural brain changes such as gray matter volume loss. The pathophysiological …

Bilateral filtering of magnetic resonance phase images

KC McPhee, C Denk, Z AlRekabi… - Magnetic resonance …, 2011 - Elsevier
High-pass filtering is required for the removal of background field inhomogeneities in
magnetic resonance phase images. This high-pass filtering smooths across boundaries …

Cerebrovascular segmentation and planning of depth electrode insertion for epilepsy surgery

X Du, H Ding, W Zhou, G Zhang, G Wang - International journal of …, 2013 - Springer
Purpose Depth electrodes are inserted in the brain to locate the epileptogenic zone without
craniotomy, but there is risk of surgical hemorrhage. Preoperative planning is required to …