361-06-003 ISMRM Abstract

T1 Mapping at 7T Using Multi-Contrast MPRAGE with field-mapping correction of Inversion Efficiency and Flip Angle

Primary: Acquisition & Reconstruction - Quantitative Imaging: relaxometry, multi-parametric, MR Fingerprinting, and synthetic MRI

Secondary: Acquisition & Reconstruction - Pulse Sequence Design: Neuro

361-06-003 · Quantitative Imaging: Head and Neck II · Monday, 11 May, 5:05 PM–6:00 PM · Digital Posters Row B

Keywords: T1 Mapping 7T T1 Mapping

Accepted

Janhavi Ghosalkar ¹, Graeme A Keith¹, Chia-Yin Wu¹, Belinda Ding², Shajan Gunamony^1,3, Natasha E Fullerton^1,4, David A Porter¹

¹Imaging Centre of Excellence, University of Glasgow, Glasgow, Scotland, United Kingdom

²NHS University Hospital Birmingham, Birmingham, United Kingdom

³MR CoilTech Limited, Glasgow, United Kingdom

⁴Department of Neuroradiology, Institute of Neurological Sciences, NHS Greater Glasgow and Clyde, Glasgow, United Kingdom

Presenting Author: Janhavi Ghosalkar

Synopsis

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References

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2. Marques JP, Kober T, Krueger G, van der Zwaag W, Van de Moortele PF, Gruetter R. MP2RAGE, a self bias-field corrected sequence for improved segmentation and T1-mapping at high field. Neuroimage. Jan 2010;49(2):1271-1281. doi:10.1016/j.neuroimage.2009.10.002 [doi]

3. Oliveira IAF, Roos T, Dumoulin SO, Siero JCW, Van der Zwaag W. Can 7T MPRAGE match MP2RAGE for gray-white matter contrast? Neuroimage. Oct 2021;240118384. doi:10.1016/j.neuroimage.2021.118384 [doi]

4. Ghosalkar J, Keith GA, Ding B, Fullerton NE, Gunamony S, Porter DA. T1 mapping with multi-contrast MP-RAGE and 2D GRAPPA at 7T. Presented at: European Society for Magnetic Resonance in Medicine and Biology (ESMRMB); Oct 2025; Marseille, France.

5. Kecskemeti S, Samsonov A, Hurley SA, Dean DC, Field A, Alexander AL. MPnRAGE: A technique to simultaneously acquire hundreds of differently contrasted MPRAGE images with applications to quantitative T1 mapping. Magnetic Resonance in Medicine. Mar 2016;75(3):1040-1053. doi:10.1002/mrm.25674 [doi]

6. Deichmann R, Haase A. QUANTIFICATION OF T1 VALUES BY SNAPSHOT-FLASH NMR IMAGING. Journal of Magnetic Resonance. Feb 1992;96(3):608-612. doi:10.1016/0022-2364(92)90347-a [doi]

7. Williams SN, Allwood-Spiers S, McElhinney P, et al. A Nested Eight-Channel Transmit Array With Open-Face Concept for Human Brain Imaging at 7 Tesla. Frontiers in Physics. Jul 2021;9701330. doi:10.3389/fphy.2021.701330 [doi]

8. Zhang Y, Brady M, Smith S. Segmentation of brain MR images through a hidden Markov random field model and the expectation-maximization algorithm. IEEE TRANSACTIONS ON MEDICAL IMAGING. 2001-01-01 2001;20:45-57.

9. Wright PJ, Mougin OE, Totman JJ, et al. Water proton T1 measurements in brain tissue at 7, 3, and 1.5 T using IR-EPI, IR-TSE, and MPRAGE:: results and optimization. Magnetic Resonance Materials in Physics Biology and Medicine. Mar 2008;21(1-2):121-130. doi:10.1007/s10334-008-0104-8 [doi]

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http://echo.ismrm.org/p/ISMRM2026/361-06-003