Keywords: New Devices, SpectroscopyECLIPSE is a pulsed second order gradient insert that allows unparalleled extracranial lipid suppression over an elliptical ROI for applications in human brain proton MRSI. While ECLIPSE provides excellent axial slice coverage for brain shapes that closely resemble an ellipse, coverage is compromised for head shapes that are asymmetrical. We recently constructed an ECLIPSE gradient coil in combination with a 54-channel multi-coil array (MC-ECLIPSE) for human brain ROI shaping and B0 shimming. Here we demonstrate >95% axial slice coverage with ROI shaping over challenging head shapes, in addition to improved B0 shimming capabilities relative to second order spherical harmonic shims.
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