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Abstract #1799

B1+, SAR, and temperature distributions in the breast with different tissue ratio: FDTD simulations and experimental RF field and temperature measurements at 7T

Junghwan Kim 1,2 , Narayan Krishnamurthy 1 , Yujuan Zhao 1 , Tiejun Zhao 3 , Kyongtae Ty Bae 1,2 , and Tamer Ibrahim 1,2

1 Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States, 2 Radiology, University of Pittsburgh, Pittsburgh, PA, United States, 3 Siemens Medical Solution USA, Inc, Pittsburgh, PA, United States

Numerical calculation of electromagnetic (EM) field using full wave 3D FDTD method was demonstrated in the four different tissue ratio breast models and compared with breast phantom. B1+ homogeneity at sagittal, coronal, and transverse and whole volume was calculated in the models and compared to the phantom. In addition, peak/global SAR was calculated and compared with the temperature change measured at four locations.

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