Susceptibility-weighted imaging: technical aspects and clinical applications, part 1

EM Haacke, S Mittal, Z Wu… - American Journal of …, 2009 - Am Soc Neuroradiology
Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue
magnetic susceptibility differences to generate a unique contrast, different from that of spin …

Quantitative susceptibility mapping: current status and future directions

EM Haacke, S Liu, S Buch, W Zheng, D Wu… - Magnetic resonance …, 2015 - Elsevier
Quantitative susceptibility mapping (QSM) is a new technique for quantifying magnetic
susceptibility. It has already found various applications in quantifying in vivo iron content …

A novel background field removal method for MRI using projection onto dipole fields

T Liu, I Khalidov, L de Rochefort… - NMR in …, 2011 - Wiley Online Library
For optimal image quality in susceptibility‐weighted imaging and accurate quantification of
susceptibility, it is necessary to isolate the local field generated by local magnetic sources …

Morphology enabled dipole inversion (MEDI) from a single‐angle acquisition: comparison with COSMOS in human brain imaging

T Liu, J Liu, L De Rochefort… - Magnetic resonance …, 2011 - Wiley Online Library
Magnetic susceptibility varies among brain structures and provides insights into the
chemical and molecular composition of brain tissues. However, the determination of an …

The physics of functional magnetic resonance imaging (fMRI)

RB Buxton - Reports on Progress in Physics, 2013 - iopscience.iop.org
Functional magnetic resonance imaging (fMRI) is a methodology for detecting dynamic
patterns of activity in the working human brain. Although the initial discoveries that led to …

Calculation of susceptibility through multiple orientation sampling (COSMOS): a method for conditioning the inverse problem from measured magnetic field map to …

T Liu, P Spincemaille, L De Rochefort… - … in Medicine: An …, 2009 - Wiley Online Library
Magnetic susceptibility differs among tissues based on their contents of iron, calcium,
contrast agent, and other molecular compositions. Susceptibility modifies the magnetic field …

Quantitative evaluation of oxygenation in venous vessels using T2‐relaxation‐under‐spin‐tagging MRI

H Lu, Y Ge - Magnetic Resonance in Medicine: An Official …, 2008 - Wiley Online Library
Noninvasive measurement of cerebral venous oxygenation can serve as a tool for better
understanding fMRI signals and for clinical evaluation of brain oxygen homeostasis. In this …

MRI estimation of global brain oxygen consumption rate

V Jain, MC Langham… - Journal of Cerebral Blood …, 2010 - journals.sagepub.com
Measuring the global cerebral metabolic rate of oxygen (CMRO 2) is a valuable tool for
assessing brain vitality and function. Measurement of blood oxygen saturation (HbO 2) and …

Quantitative MR susceptibility mapping using piece‐wise constant regularized inversion of the magnetic field

L De Rochefort, R Brown, MR Prince… - … in Medicine: An …, 2008 - Wiley Online Library
Magnetic properties characterized by susceptibility and chemical shift linearly modify the
local magnetic field experienced by spins. A piece‐wise constant solution using magnetic …

Imaging the physiological evolution of the ischemic penumbra in acute ischemic stroke

R Leigh, L Knutsson, J Zhou… - Journal of Cerebral …, 2018 - journals.sagepub.com
We review the hemodynamic, metabolic and cellular parameters affected during early
ischemia and their changes as a function of approximate cerebral blood flow (CBF) …