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