Differentiating supraclavicular from gluteal adipose tissue based on simultaneous PDFF and T2* mapping using a 20‐echo gradient‐echo acquisition
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetic Resonance Imaging"
DOI: 10.1002/jmri.26661
Abstract: Adipose tissue (AT) can be classified into white and brown/beige subtypes. Chemical shift encoding‐based water–fat MRI‐techniques allowing simultaneous mapping of proton density fat fraction (PDFF) and T2* result in a lower PDFF and a shorter… read more here.
Keywords: echo acquisition; gradient echo; pdff; adipose tissue ... See more keywords
Hepatic Iron Quantification Using a Free‐Breathing 3D Radial Gradient Echo Technique and Validation With a 2D Biopsy‐Calibrated R2* Relaxometry Method
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetic Resonance Imaging"
DOI: 10.1002/jmri.27921
Abstract: Hepatic iron content (HIC) is an important parameter for the management of iron overload. Non‐invasive HIC assessment is often performed using biopsy‐calibrated two‐dimensional breath‐hold Cartesian gradient echo (2D BH GRE) R2*‐MRI. However, breath‐holding is not… read more here.
Keywords: biopsy calibrated; gradient echo; hepatic iron; breathing radial ... See more keywords
Functional lung imaging with transient spoiled gradient echo
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27535
Abstract: To introduce an alternative framework for perfusion and ventilation lung imaging at 3 T using transient spoiled gradient echo (tSPGR) acquisitions. read more here.
Keywords: spoiled gradient; lung imaging; gradient echo; transient spoiled ... See more keywords
A new ultrafast 3D gradient echo‐based imaging method using quadratic‐phase encoding
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27711
Abstract: To propose a novel 3D ultrafast gradient echo‐based MRI method, dubbed RASE, using quadratic‐phase encoding. read more here.
Keywords: echo based; using quadratic; gradient echo; phase encoding ... See more keywords
Separation of water and fat signal in whole‐body gradient echo scans using convolutional neural networks
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27786
Abstract: To perform and evaluate water–fat signal separation of whole‐body gradient echo scans using convolutional neural networks. read more here.
Keywords: echo scans; body gradient; gradient echo; fat signal ... See more keywords
Improved multi‐echo gradient echo myelin water fraction mapping using complex‐valued neural network analysis
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29192
Abstract: Previously, an artificial neural network method was introduced to estimate quantitative myelin water fraction (MWF) using multi‐echo gradient‐echo data. However, the fiber orientation of white matter with respect to B0 could bias the quantification of… read more here.
Keywords: multi echo; neural network; myelin water; water fraction ... See more keywords
Blip up‐down acquisition for spin‐ and gradient‐echo imaging (BUDA‐SAGE) with self‐supervised denoising enables efficient T2, T2*, para‐ and dia‐magnetic susceptibility mapping
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29219
Abstract: To rapidly obtain high resolution T2, T2*, and quantitative susceptibility mapping (QSM) source separation maps with whole‐brain coverage and high geometric fidelity. read more here.
Keywords: susceptibility mapping; acquisition spin; blip acquisition; gradient echo ... See more keywords
Optimal echo times for multi‐gradient echo‐based B0 field‐mapping
Sign Up to like & getrecommendations! Published in 2020 at "NMR in Biomedicine"
DOI: 10.1002/nbm.4316
Abstract: B0 field maps are used ubiquitously in neuroimaging, in disciplines ranging from magnetic resonance spectroscopy to temperature mapping and susceptibility‐weighted imaging. Most B0 maps are acquired using standard gradient‐echo–based vendor‐provided sequences, often comprised of two… read more here.
Keywords: field; echo based; gradient echo; multi gradient ... See more keywords
Efficient phase‐cycling strategy for high‐resolution 3D gradient‐echo quantitative parameter mapping
Sign Up to like & getrecommendations! Published in 2022 at "NMR in Biomedicine"
DOI: 10.1002/nbm.4700
Abstract: Magnetization‐prepared (MP) gradient‐echo (GRE) sequences suffer from signal contaminations from T1 recovery during the readout train, which can be eliminated by paired RF phase cycling (PC) at the cost of doubling the scan time. The… read more here.
Keywords: quantitative parameter; gradient echo; resolution; strategy ... See more keywords
STrategically Acquired Gradient Echo (STAGE) imaging, part II: Correcting for RF inhomogeneities in estimating T1 and proton density.
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2017.10.006
Abstract: PURPOSE To develop a method for mapping the B1 transmit (B1t) and B1 receive (B1r) fields from two gradient echo datasets each with a different flip angle and from these two images obtain accurate T1… read more here.
Keywords: echo stage; acquired gradient; gradient echo; strategically acquired ... See more keywords
Dual-contrast pCASL using simultaneous gradient-echo/spin-echo multiband EPI.
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2018.11.018
Abstract: A 2D gradient-echo EPI is commonly employed for arterial spin labeling (ASL) readout to achieve fast whole brain coverage measurements. However, such a readout suffers from susceptibility artifacts induced by magnetic field inhomogeneities. To reduce… read more here.
Keywords: echo spin; gradient echo; spin; spin echo ... See more keywords