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Abstract #3252

Experimental electric field and dielectric tissue property mapping using a regularized CSI-EPT reconstruction method

Edmond Balidemaj 1 , Johan Trinks 1 , Rob F. Remis 2 , Hans Crezee 1 , Astrid van Lier 3 , Aart J. Nederveen 4 , and Cornelis A.T. van den Berg 3

1 Radiotherapy, Academic Medical Center, Amsterdam, Netherlands, 2 Technical University Delft, Delft, Netherlands, 3 UMC Utrecht, Utrecht, Netherlands, 4 Academic Medical Center, Amsterdam, Netherlands

In this work we present a regularized CSI-EPT method. Furthermore, we extend the reconstruction algorithm such that multiple B1+ data sets for different shim (antenna phase) settings can be simultaneously included in the iterative CSI-EPT process leading to an overall improvement of the reconstructed dielectric values.Electric field and dielectric tissue property maps where retrieved for in vivo simulations and phantom experiments.

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