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Abstract #3116

High-quality FLAIR and diffusion imaging with presence of EEG nets

Nina Fultz1, Catherine Poulsen 2, Michael Lev3, Avery Berman 1,4, Jingyuan E. Chen 1,4, Giorgio Bonmassar1,4, and Laura D. Lewis 1,4,5

1Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States, 2Philips, Eugene, OR, United States, 3Department of Radiology, Massachusetts General Hospital, Boston, MA, United States, 4Department of Radiology, Harvard Medical School, Boston, MA, United States, 5Department of Biomedical Engineering, Boston University, Boston, MA, United States

EEG nets are typically removed before MR imaging due to their negative effects on image quality, which is time-consuming and interrupts monitoring of brain activity. We tested whether the InkNet, a high-resistance polymer thick-film based EEG net, could improve images by reducing RF-shielding caused by copper leads. We imaged subjects with FLAIR and diffusion at 3 Tesla, wearing a conventional, copper-lead net, the InkNet, or no EEG net (NoNet). The InkNet induced less artifact than conventional nets, and produced similar image quality to the NoNet control. Results suggest that high-quality imaging can be achieved while wearing an EEG net.

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