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Abstract #1340

Single Configuration of Coil and High-Permittivity Material Improves Performance for a Wide Range of Subjects

Christopher M. Collins 1 and Qing X. Yang 2

1 Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, United States, 2 Radiology, The Pennsylvania State University, PA, United States

Using numerical simulations, we explore the potential of a single high-permittivity receive head coil former to improve performance of a large encircling transmit array at 7T for six different human subjects with a wide range in size and morphology. This is important to demonstrate the possibility of incorporating HPMs into arrays for high-throughput, high performance MRI. The ability to perform RF shimming with the large volume array was not adversely affected by the presence of the high-dielectric former in any of the subjects and the former greatly improved efficiency and homogeneity of the transmit array for all subjects.

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