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Abstract #3991

First experiences with a phosphorus 30 channel receiver head array at 7T

Benjamin C Rowland1, Ian Driver1, Mohamed Tachrount1, Dennis WJ Klomp2,3, Ria Forner3, Anh Pham3, Michel Italiaander3, and Richard G Wise1

1CUBRIC, University of Cardiff, Cardiff, United Kingdom, 2Radiology, UMC Utrecht, Utrecht, Netherlands, 3MR Coils, Zaltbommel, Netherlands

Multi-receiver arrays offer the high sensitivity of surface coils and the extended field of view of volume coils, as long as the individual receivers can be combined correctly. In 31P MRS, the low intrinsic SNR makes determining weighting factors challenging and data quality can suffer. We report on our experiences of working with a custom-built 30 channel head coil, dual-tuned for 1H and 31P at 7T, comparing its performance against a traditional birdcage, in phantom and in vivo. Our results are encouraging, with equal SNR in the centre of the brain and significantly enhanced signal in the periphery.

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