Abstract #4358

Characterization of preclinical PET insert for 7T: beyond NEMA testing.

Willy Gsell¹, Cesar Molinos², Carlos Correcher³, Sven Junge³, Michael Heidenreich³, Uwe Himmelreich⁴, Christophe M Deroose⁵, and Antonio J Gonzalez⁶

¹KU Leuven, Leuven, Belgium, ²Nuclear Molecular Imaging, Bruker BioSpin Preclinical Imaging Division, Bruker Biospin, Ettlingen, Germany, ³Nuclear Molecular Imaging, Bruker BioSpin Preclinical Imaging Division, Bruker BioSpin, Ettlingen, Germany, ⁴Biomedical MRI group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium, ⁵Nuclear Medicine and Molecular Imaging, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium, ⁶Instituto de Instrumentación para Imagen Molecular (I3M), Universitat Politècnica de València, Valencia, Spain

While we already reported indexes of the performance of one of the first commercially available SiPM-based MR-compatible PET Insert, no NEMA testing has been reported until now. Moreover the NEMA protocol for evaluating the performance of preclinical PET scanner, do not cover the integration and potential interference between PET and MRI. We hereby propose and report an extended NEMA protocol demonstrating the performance of the MRI (Biospec USR 70/30) with and without the presence of the PET Insert as well as the performance of the PET with simultaneous MRI acquisition.

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