Abstract #1241

A 12-channel flexible receive coil for accelerated tongue imaging

Luuk Voskuilen^1,2,3, Michel Italiaander⁴, Paul de Heer², Alfons J.M. Balm^1,5,6, Ferdinand van der Heijden^1,6, Gustav J. Strijkers⁷, Ludi E. Smeele^1,5, and Aart J. Nederveen²

¹Department of Head and Neck Surery and Oncology, Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands, ²Department of Radiology and Nuclear Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands, ³Department of Oral and Maxillofacial Surgery, Academic Centre for Dentistry Amsterdam and Academic Medical Center, Amsterdam, Netherlands, ⁴MR Coils BV, Zaltbommel, Netherlands, ⁵Department of Oral and Maxillofacial Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands, ⁶Department of Robotics and Mechatronics, MIRA Institute, University of Twente, Enschede, Netherlands, ⁷Biomedical Engineering and Physics, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands

Acceleration techniques necessary for real-time MRI of swallowing and diffusion imaging of the tongue require multiple coil elements and decrease SNR. Therefore, we designed a 12-channel flexible tongue coil with a higher density of elements compared to the conventional head and neck coil. The SNR in the tongue coil is better, while the G-factor is lower compared to the conventional coil. Real-time MRI displayed better image quality with fewer radial streaking artefacts using the tongue coil. A multiband-SENSE factor of 2 was feasible for diffusion-weighted imaging with the tongue coil.

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