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Abstract #4315

An open 8-channel pTx coil for 7-Tesla MRI of the knee and ankle joints at multiple postures

Ewald Weber1, Craig Engstrom1, Kieran O’Brien2, Aurelien Destruel1, Bassem Henin3, Jin Jin1, and Stuart Crozier1

1University of Queensland, St Lucia, Australia, 2Siemens Ltd, Brisbane, Australia, 3American University of the Middle East, Kuwait

This paper presents the initial in vivo imaging results from a new open 8-channel pTx transceive array designed and constructed for 7 T MRI of the knee and ankle joints. The open design of the coil provides easy access and conformable accommodation of both joints, while enabling the joints to be imaged at multiple angles for enhanced pathological assessment. With individualized RF shims, the array provided full coverages and uniform excitations for both joints, demonstrated with high quality 2D TSE and 3D GRE (DESS and MEDIC) images.

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