Articles with "mrsi" as a keyword



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ORYX‐MRSI: A fully‐automated open‐source software for proton magnetic resonance spectroscopic imaging data analysis

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Published in 2022 at "International Journal of Imaging Systems and Technology"

DOI: 10.1002/ima.22748

Abstract: Proton magnetic resonance spectroscopic imaging (1H‐MRSI) provides a noninvasive, spatially resolved evaluation of brain metabolism. However, there are some limitations of 1H‐MRSI preventing its wider use in the clinics, including the spectral quality issues, partial… read more here.

Keywords: magnetic resonance; proton magnetic; resonance spectroscopic; oryx mrsi ... See more keywords
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Improved signal‐to‐noise performance of MultiNet GRAPPA 1H FID MRSI reconstruction with semi‐synthetic calibration data

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29314

Abstract: To further develop MultiNet GRAPPA, a neural‐network‐based reconstruction, for lower SNR proton MRSI (1H MRSI) data using adapted undersampling schemes and improved training sets. read more here.

Keywords: multinet grappa; reconstruction; mrsi; improved signal ... See more keywords
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Atlas‐based GABA mapping with 3D MEGA‐MRSI: Cross‐correlation to single‐voxel MRS

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Published in 2020 at "NMR in Biomedicine"

DOI: 10.1002/nbm.4275

Abstract: The purpose of this work is to develop and validate a new atlas‐based metabolite quantification pipeline for edited magnetic resonance spectroscopic imaging (MEGA‐MRSI) that enables group comparisons of brain structure‐specific GABA levels. By using brain… read more here.

Keywords: mega mrsi; mrsi; correlation; voxel ... See more keywords
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Separation of Metabolites and Macromolecules for Short-TE 1H-MRSI Using Learned Component-Specific Representations

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Published in 2021 at "IEEE transactions on medical imaging"

DOI: 10.1109/tmi.2020.3048933

Abstract: Short-echo-time (TE) proton magnetic resonance spectroscopic imaging (MRSI) allows for simultaneously mapping a number of molecules in the brain, and has been recognized as an important tool for studying in vivo biochemistry in various neuroscience… read more here.

Keywords: separation metabolites; metabolites macromolecules; mrsi; component specific ... See more keywords
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Immune System-Related Changes in Preclinical GL261 Glioblastoma under TMZ Treatment: Explaining MRSI-Based Nosological Imaging Findings with RT-PCR Analyses

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Published in 2021 at "Cancers"

DOI: 10.3390/cancers13112663

Abstract: Simple Summary Glioblastoma (GB) is an aggressive brain tumour with poor survival. Tumour microenvironment is a key element in GB evolution and response to therapy. We assessed presence and phenotypes of microglia/macrophages in preclinical GL261-GB… read more here.

Keywords: preclinical gl261; system; mrsi; immune system ... See more keywords
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In Vivo Renal Lipid Quantification by Accelerated Magnetic Resonance Spectroscopic Imaging at 3T: Feasibility and Reliability Study

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Published in 2022 at "Metabolites"

DOI: 10.3390/metabo12050386

Abstract: A reliable and practical renal-lipid quantification and imaging method is needed. Here, the feasibility of an accelerated MRSI method to map renal fat fractions (FF) at 3T and its repeatability were investigated. A 2D density-weighted… read more here.

Keywords: renal lipid; lipid quantification; feasibility; mrsi ... See more keywords