Lipid suppression for brain MRI and MRSI by means of a dedicated crusher coil

Lipid suppression in MRI and MRSI is generally associated with delays in the sequence and increased TRs. In this work we apply a crusher coil for lipid suppression where a switchable local distortion of the magnetic field in the skull is induced instead of RF excitation or inversion. With the crusher coil lipid suppression is possible without increases in SAR, or lengthening of the sequences. For MSRI this allows a shortening of the TR of an order of magnitude, leading to the possibility to acquire very high resolution MRSI of the human brain.

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