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Abstract #2548

Correction Factor for EPT-based Patient-Specific SAR Maps

Jessica A. Martinez1, Alessandro Arduino1, Oriano Bottauscio1, and Luca Zilberti1
1Advanced Materials Metrology and Life Science, Istituto Nazionale di Ricerca Metrologica, Torino, Italy


Specific absorption rate (SAR) values can be obtained using MRI data to calculate the electrical conductivity via Electric Properties Tomography (EPT) and by indirectly obtaining the electric field by the B1+ field. However, only using B1+ will result in incorrect SAR values. In this work, we propose the calculation of a tissue-specific correction factor to mitigate the inaccuracy of SAR.

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