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 Bonmassar^1,4, 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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