One of the known potential benefits of integrated positron emission and magnetic resonance (PET/MR) scanners is the possibility of using MR data to monitor patient motion.
The present work evaluates the performance of a new pulse sequence designed exclusively for PET/MR head tracking. By assuming that all the required imaging data is provided by the PET subsystem, the MR sequence can be optimized exclusively for the task of providing accurate motion estimates over long periods of time (e.g. 30-60min). Data management, SAR and noise concerns are therefore minimized.
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