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Abstract #5087

Transceive Phase Corrected Contrast Source Inversion-Electrical Properties Tomography

Peter R.S. Stijnman1, Stefano Mandija1, Patrick S. Fuchs2, Rob F. Remis2, and Cornelis A.T. van den Berg1

1Center for Image Sciences, UMC Utrecht, Utrecht, Netherlands, 2Circuits and Systems Group, Delft University of Technology, Delft, Delft, Netherlands

Contrast Source Inversion Electrical Properties Tomography (CSI-EPT) is an integral-based method that aims to reconstruct tissue electrical properties through an iterative minimization procedure. This method requires complex $$$B_1^+$$$ data as input. In practice, however, the transmit phase cannot be measured in MRI-experiments. Only the transceive phase can be calculated from MR-measurements. In this work, the CSI-EPT reconstruction algorithm is reformulated to take the transceive phase into account. This transceive phase correction opens the possibility to exploit higher sensitivity of EPT at higher field strengths with regular quadrature setups. Additionally, for the first time CSI-EPT reconstructions from MR-measurements are shown.

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