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Abstract #4098

RF coil system for accelerated 129Xe hyperpolarized imaging at 1.5T

Claudio Puddu1, Madhwesha Rao1, Guilhem J. Collier1, Adam Maunder1, Ho-Fung Chan1, Oliver Rodgers1, Xiaojun Xu1, Nicola De Zanche2, Fraser Robb3, and Jim M. Wild1
1POLARIS,University of Sheffield, Sheffield, United Kingdom, 2Department of Medical Physics, Cross Cancer Institute, Edmonton, AB, Canada, 3GE Healthcare, Aurora, OH, United States

This abstract describes the development of a separate transmit/receive setup of coils for human chest 129Xe MRI at 1.5T. The transmit coil is an asymmetrical birdcage type designed to fit the scanner bore. The lumped components are calculated in consideration of the mutual coupling with the 1H body coil of the scanner, enabling the scanning of anatomical images and localization with the birdcage inside the bore. Furthermore, a parallel imaging strategy for 129Xe ventilation imaging has been tested to demonstrate accelerated acquisition times.

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