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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: J Magn Reson. 2018 Mar 3;290:18–28. doi: 10.1016/j.jmr.2018.03.002

Figure 4.

Figure 4

The figure shows experimental results of point-spread-function mapping obtained using a spherical prostate spectroscopy phantom with a solution containing the prostate-relevant metabolites: Choline-plus-Creatine, and Citrate. The experimental point-spread-function mapping was performed for the MRSI sequences implemented using both Gaussian PSF-Choice and standard Fourier encoding where (magnitude) results are shown in left and right columns respectively. Representative spectra for individual voxels with examples for both methods are shown below the point-spread-function results. The plot at the bottom of the figure shows the SNR computed within the spectral range of interest for both Fourier and PSF-Choice encoding.