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Magnetic Resonance Spectroscopy (MRS)
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== MRS and [[PET]] == MRS can be used to complement PET for studying neuroinflammation. PET scans are generally more accurate at analyzing specific metabolites. MRS usually reports metabolites as a ratio of one metabolite vs. another, while PET reports an absolute concentration. However, PET scans are invasive as radioligands are injected while MRS is not invasive.<ref name=":0" /> MRS is able to produce high-resolution, high contrast images of soft tissue. On the other hand, PET is able to measure the distribution of radiotracers and biochemicals with high sensitivity. Although not many labs have dual MRS-PET scanners, incorporating both techniques into one is able to combine the strengths from MRS and PET.<ref>{{Cite journal|last = Catana | first = Ciprian | last2 = Procissi | first2 = Daniel | last3 = Wu | first3 = Yibao | last4 = Judenhofer | first4 = Martin S. | last5 = Qi | first5 = Jinyi | last6 = Pichler | first6 = Bernd J. | last7 = Jacobs | first7 = Russell E. | last8 = Cherry | first8 = Simon R. | date = 2008-03-11 | title = Simultaneous in vivo positron emission tomography and magnetic resonance imaging | url =https://www.pnas.org/content/105/10/3705|journal=Proceedings of the National Academy of Sciences|language=en|volume=105|issue=10 | pages = 3705β3710|doi=10.1073/pnas.0711622105|issn=0027-8424|pmc=PMC2268792|pmid=18319342}}</ref>
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