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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