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Abstract #1970

Water sidebands removal in spectral fitting

Jan Willem van der Veen 1 , Stefano Marenco 2 , and Jun Shen 1

1 Magnetic Resonance Spectroscopy Core, NIH, NIMH, Bethesda, Maryland, United States, 2 CTNB, NIH, NIMH, Bethesda, Maryland, United States

A new algorithm to improve eddy current correction and residual water removal was proposed and tested on in vivo single-voxel MRS data acquired from 141 healthy subjects. From the water reference scan the metabolite signal was subtracted to reveal water sidebands. Together with HSVD fit this method improves spectral baseline and allows accurate quantification of single voxel MRS.

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