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Abstract #4100

Asymmetrical Body Birdcage Coil for Xenon-129 Imaging at 3T

Wolfgang Loew1, Christopher Ireland1, Matthew Willmering2, Ronald Pratt1, Hui Wang3, Kaley Bridgewater1, Peter van der Meulen4, Charles Dumoulin1, and Jason Woods2
1Imaging Research Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States, 2Center for Pulmonary Imaging Research, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States, 3Philips Healthcare, Gainesville, FL, United States, 4Philips Healthcare, Best, Netherlands

Hyperpolarized 129Xe imaging is increasingly viewed as a viable tool for assessing lung structure and function. An asymmetrical whole-body xenon birdcage design for homogeneous transmit performance, previously evaluated through electromagnetic field simulations, was constructed. Coil homogeneity was evaluated with a high-pressure thermally polarized xenon Boltzmann cylinder phantom and hyperpolarized 129Xe gas. MR images of the phantom and the hyperpolarized gas confirmed homogeneous excitation.

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