Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
468-05-011 ISMRM Abstract

Improving RF Safety for Infants Using a High Permittivity Material Helmet at 3T

Primary: Physics & Engineering - RF Arrays & Systems
Secondary: Physics & Engineering - Safety
468-05-011 · Safety · Tuesday, 12 May, 4:00 PM–4:55 PM · Digital Posters Row I
Keywords: RF Safety Infant brain MRI 3T MRI Body coil High permittivity materials
Accepted
Mazin Mustafa1, Yigitcan Eryaman 2
1Center for Magnetic Resonance Research (CMRR), University of Minnesota, Minneapolis, United States of America
2Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, United States of America
Presenting Author: Yigitcan Eryaman

Synopsis

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References

1. Leijser, L.M., et al., Brain imaging findings in very preterm infants throughout the neonatal period: Part I. Incidences and evolution of lesions, comparison between ultrasound and MRI. Early Human Development, 2009. 85(2): p. 101-109.
2. Patel, S.K., W. Yuan, and F.T. Mangano, Advanced Neuroimaging Techniques in Pediatric Hydrocephalus. Pediatr Neurosurg, 2017. 52(6): p. 436-445
3. (IEC), I.E.C., 60601-2-33 Medical Electrical Equipment - Part 2-33: Particular requirements for the basic safety and essential performance of magnetic resonance equipment for medical diagnosis, Edition 3.2. 2015. 2015.
4. Teeuwisse, W.M., et al., Simulations of high permittivity materials for 7 T neuroimaging and evaluation of a new barium titanate-based dielectric. Magn Reson Med, 2012. 67(4): p. 912-8.
5. Webb, A., et al., Novel materials in magnetic resonance imaging: high permittivity ceramics, metamaterials, metasurfaces and artificial dielectrics. MAGMA, 2022. 35(6): p. 875-894.
6. Sadeghi-Tarakameh, A., et al., A nine-channel transmit/receive array for spine imaging at 10.5 T: Introduction to a nonuniform dielectric substrate antenna. Magn Reson Med, 2022. 87(4): p. 2074-2088.
7. Teeuwisse, W.M., W.M. Brink, and A.G. Webb, Quantitative assessment of the effects of high-permittivity pads in 7 Tesla MRI ofthe brain. Magn Reson Med, 2012. 67(5): p. 1285-93.
8. van Gemert, J., et al., High-permittivity pad design tool for 7T neuroimaging and 3T body imaging. Magn Reson Med, 2019. 81(5): p. 3370-3378.
9. Ozutemiz, C., et al., Use of a Commercial 7-T MRI Scanner for Clinical Brain Imaging: Indications, Protocols, Challenges, and Solutions-A Single-Center Experience. AJR Am J Roentgenol, 2023. 221(6): p. 788-804.
10. Waks et.al. “The Impacts of High Permittivity Materials on Various Multichannel Transceiver Arrays for Human Head Imaging at 10.5 Tesla” ISMRM 2024
11. Chin CL, Collins CM, Li S, Dardzinski BJ, Smith MB. BirdcageBuilder: Design of specified-geometry birdcage coils with desired current pattern and resonant frequency. Concepts Magn Reson. 2002;15(2):156-163. doi:10.1002/cmr.10030 [doi]

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http://echo.ismrm.org/p/ISMRM2026/468-05-011