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Abstract #2701

High Dielectric Constant (HDC) Pad for High Field MRI: Reducing SAR and Enhancing SNR

Zhangwei Wang1, Mike Lanagan2, Qing X. Yang3

1Coils, GE Healthcare, Aurora, OH, United States; 2Electrical Engineering, The Pennsylvania State University, University Park, PA, United States; 3Radiology and Neurosurgery, The Pennsylvania State University, Hershey, PA, United States

Motivated by exciting experimental data demonstrated previously at 7T, this computer modeling study explored the potential utilization of high dielectric constant (HDC) material in between the targeted region of the sample and coil elements for ultra-high field human head imaging. The computation experiments show that placement of HDC pad introduced large changes in B1+ field and reduced average SAR, although local peak SAR increase a little