Abstract #4301

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

Christopher Sica¹, Sebastian Rupprecht¹, Ryan Hou², and Qing Yang^1,3

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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