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Abstract #4301

Possibilities for local SAR Reduction with uHDC Material & 2 Ch pTX

Christopher Sica1, Sebastian Rupprecht1, Ryan Hou2, and Qing Yang1,3

1Radiology, Penn State College of Medicine, Hershey, PA, United States, 2Penn State Harrisburg, Harrisburg, PA, United States, 3Neurosurgery, Penn State College of Medicine, Hershey, PA, United States

Variation of the RF transmit field polarization in conjunction with the application of a uHDC monolithic block was explored within the context of reducing local SAR, through RF field simulations and B1+ mapping. A linear polarization in conjunction with a discrete uHDC block was found to substantially reshape the null band in the electric field, which opens new possibilities for local SAR reduction.

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