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Abstract #3077

Feasibility of 18F-FDG Radio-Tracer Dose Reduction in Simultaneous Carotid PET/MR Imaging

Mootaz Eldib 1,2 , Jason Bini 1,2 , Olivier Lairez 1,2 , Zahi A Fayad 1,2 , and Venkatesh Mani 1,2

1 Radiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States, 2 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, NEW YORK, New York, United States

PET/CT is typically used to evaluate vascular inflammation. An advantage of using PET/MR compared to PET/CT is that it delivers less ionizing radiation. Further reduction in the delivered dose of radiotracers using simultaneous PET/MR can be achieved by matching the duration of the PET acquisition to that of MR (which is generally longer in duration than CT) and thus achieving good image quality. In this study, we evaluate the feasibility of low dose, long duration 18F-FDG PET imaging using a simultaneous PET/MR scanner.

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