Articles with "echo time" as a keyword



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Combined maximum b‐value and echo time: A practical method for determining the signal‐to‐noise ratio for magnetic resonance images

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Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13497

Abstract: Abstract Purpose The aim of the present study is to develop a simple and practical method for measuring the signal‐to‐noise ratio (SNR) of magnetic resonance images called combined maximum b‐value and echo time (COMBET) that… read more here.

Keywords: time; noise; image; echo time ... See more keywords
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Optimized three‐dimensional ultrashort echo time: Magnetic resonance fingerprinting for myelin tissue fraction mapping

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Published in 2023 at "Human Brain Mapping"

DOI: 10.1002/hbm.26203

Abstract: Quantitative assessment of brain myelination has gained attention for both research and diagnosis of neurological diseases. However, conventional pulse sequences cannot directly acquire the myelin‐proton signals due to its extremely short T2 and T2* values.… read more here.

Keywords: ultrashort echo; myelin proton; echo time; myelin ... See more keywords
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Hepatic Alanine Differentiates Nonalcoholic Steatohepatitis From Simple Steatosis in Humans and Mice: A Proton MR Spectroscopy Study With Long Echo Time

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Published in 2017 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.25673

Abstract: To evaluate the hepatic metabolic alterations in nonalcoholic fatty liver disease (NAFLD) by using 1H‐MRS (proton magnetic resonance spectroscopy) with long echo time and to test the reproducibility of human study in an animal model.… read more here.

Keywords: long echo; study; proton; spectroscopy ... See more keywords
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Ultrashort echo time imaging of the lungs under high‐frequency noninvasive ventilation: A new approach to lung imaging

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Published in 2019 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.26808

Abstract: Although ultrashort echo time (UTE) sequences allow excellent assessment of lung parenchyma, image quality remains lower than that of computed tomography (CT). read more here.

Keywords: ultrashort echo; imaging ultrashort; time imaging; echo time ... See more keywords
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Quantitative ultrashort echo time imaging for assessment of massive iron overload at 1.5 and 3 Tesla

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Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26592

Abstract: Hepatic iron content (HIC) quantification via transverse relaxation rate (R2*)‐MRI using multi‐gradient echo (mGRE) imaging is compromised toward high HIC or at higher fields due to the rapid signal decay. Our study aims at presenting… read more here.

Keywords: ultrashort echo; quantitative ultrashort; time imaging; iron ... See more keywords
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Quantitative magnetization transfer ultrashort echo time imaging using a time‐efficient 3D multispoke Cones sequence

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26716

Abstract: To accelerate the quantitative ultrashort echo time imaging using a time‐efficient 3D multispoke Cones sequence with magnetization transfer (3D UTE‐Cones‐MT) and signal modeling. read more here.

Keywords: ultrashort echo; using time; time imaging; time ... See more keywords
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Three‐dimensional ultrashort echo time MRI and Short T2 images generated from subtraction for determination of tumor burden in lung cancer: Preclinical investigation in transgenic mice

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26741

Abstract: To investigate the potential of 3D ultrashort echo time MRI and short T2 images generated by subtraction for determination of total tumor burden in lung cancer. read more here.

Keywords: mri short; ultrashort echo; short images; images generated ... See more keywords
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Rapid dual‐RF, dual‐echo, 3D ultrashort echo time craniofacial imaging: A feasibility study

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27625

Abstract: To develop a dual‐radiofrequency (RF), dual‐echo, 3D ultrashort echo‐time (UTE) pulse sequence and bone‐selective image reconstruction for rapid high‐resolution craniofacial MRI. read more here.

Keywords: ultrashort echo; echo time; echo ultrashort; dual echo ... See more keywords
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Ultrashort echo time quantitative susceptibility mapping (UTE‐QSM) for detection of hemosiderin deposition in hemophilic arthropathy: A feasibility study

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Published in 2020 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28388

Abstract: The purpose of this study was to investigate the feasibility of ultrashort echo time quantitative susceptibility mapping (UTE‐QSM) for assessment of hemosiderin deposition in the joints of hemophilic patients. read more here.

Keywords: ultrashort echo; time quantitative; mapping ute; susceptibility mapping ... See more keywords
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Visualization of calcium phosphate cement in teeth by zero echo time 1H MRI at high field

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Published in 2018 at "NMR in Biomedicine"

DOI: 10.1002/nbm.3859

Abstract: 1H magnetic resonance imaging (MRI) by a zero echo time (ZTE) sequence is an excellent method to image teeth. Calcium phosphate cement (CPC) materials are applied in the restoration of tooth lesions, but it has… read more here.

Keywords: echo time; calcium phosphate; cpc; phosphate cement ... See more keywords
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HYFI: Hybrid filling of the dead‐time gap for faster zero echo time imaging

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Published in 2021 at "Nmr in Biomedicine"

DOI: 10.1002/nbm.4493

Abstract: The aim of this work was to improve the SNR efficiency of zero echo time (ZTE) MRI pulse sequences for faster imaging of short‐T2 components at large dead‐time gaps. ZTE MRI with hybrid filling (HYFI)… read more here.

Keywords: echo time; gap; time; dead time ... See more keywords