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Abstract #3560

Evaluation of ZTE localization accuracy for PET/MR hardware attenuation correction

Gaspar Delso1, Mohammad Mehdi Khalighi2, Sabrina Epp3, Felipe de Galiza Barbosa3, Tetsuro Sekine3, Edwin ter Voert3, and Patrick Veit-Haibach3

1GE Healthcare, Zurich, Switzerland, 2GE Healthcare, Stanford, CA, United States, 3University Hospital, Zurich, Switzerland

One challenge of PET/MR imaging is the correction of photon attenuation caused by hardware in the field-of-view. For the particular case of MR local coil attenuation, a solution based on stored templates is provided by commercially available clinical PET/MR systems. This solution, however, is limited to rigid coils docked in a pre-defined position. A more general method encompassing other coil types would be desirable to improve the accuracy of PET images. The goal of the present study is to investigate the accuracy of fast ZTE acquisitions for the correction of local coil attenuation.

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