One of the biggest hurdles of hybrid positron emission tomography and magnetic resonance (PET/MR) imaging is the prevalence of motion artifacts—blurring and ghostly visual anomalies caused by patient motion on the table during imaging. An MR technology has now been designed for PET/MR that employs tiny radiofrequency solenoids—metal coils integrated into hardware placed on the body—to track motion from those who do not or cannot stay put. Special software can then use the additional information provided by the coils to optimize the image, according to research being revealed at SNMMI’s 2013 Annual Meeting.
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