Magnetic resonance spectroscopic imaging at superresolution: Overview and perspectives

Journal of Magnetic Resonance
Jeffrey KastenDimitri Van De Ville

Abstract

The notion of non-invasive, high-resolution spatial mapping of metabolite concentrations has long enticed the medical community. While magnetic resonance spectroscopic imaging (MRSI) is capable of achieving the requisite spatio-spectral localization, it has traditionally been encumbered by significant resolution constraints that have thus far undermined its clinical utility. To surpass these obstacles, research efforts have primarily focused on hardware enhancements or the development of accelerated acquisition strategies to improve the experimental sensitivity per unit time. Concomitantly, a number of innovative reconstruction techniques have emerged as alternatives to the standard inverse discrete Fourier transform (DFT). While perhaps lesser known, these latter methods strive to effect commensurate resolution gains by exploiting known properties of the underlying MRSI signal in concert with advanced image and signal processing techniques. This review article aims to aggregate and provide an overview of the past few decades of so-called "superresolution" MRSI reconstruction methodologies, and to introduce readers to current state-of-the-art approaches. A number of perspectives are then offered as to the future of high-resolut...Continue Reading

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Citations

Aug 30, 2016·Nutritional Neuroscience·Claire J ScavuzzoRyan J Larsen
Oct 9, 2018·Journal of Magnetic Resonance Imaging : JMRI·Marcelo V W ZibettiRavinder R Regatte
Sep 5, 2019·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Fan LamZhi-Pei Liang
Feb 16, 2017·Frontiers in Neuroscience·Saurabh JainDirk Smeets
Oct 28, 2019·Frontiers in Oncology·Zohaib IqbalSteve Jiang
Nov 17, 2016·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Ipshita Bhattacharya, Mathews Jacob
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Dec 20, 2018·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Antoine KlauserFrancois Lazeyras

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