Diffusion-weighted spectroscopy (DW-MRS) is an excellent tool to explore the compartment specific assessment of tissue microstructure. Although there has been growing interest in DW-MRS for clinical applications, most of the studies involving human brain metabolites so far have used single-voxel methods, which limit its application to specific white matter tracts or arbitrarily selected regions of interest. There has been only a few attempts to evaluate the diffusion properties of brain metabolites with DW-MRSI. Here, we propose an echo planar-based diffusion-weighted spectroscopic imaging using semi-LASER localization and bipolar diffusion gradients. Initial results show good spectral quality and spatial localization.
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