361-06-006 ISMRM Abstract

SAR-optimised and accelerated T2 mapping at 7T using the MESE sequence and an EPG-model-based reconstruction

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

Secondary: Acquisition & Reconstruction - Quantitative Imaging: head and neck

361-06-006 · Quantitative Imaging: Head and Neck II · Monday, 11 May, 5:05 PM–6:00 PM · Digital Posters Row B

Keywords: Ultra-high field

Accepted

Emilie Sleight ^1,2, Ludovica Romanin³, Gian Franco Piredda³, Frederic Grouiller^1,4,5, Tom Hilbert^3,6,7, Dimitrios Karampinos^1,2

¹CIBM Center for Biomedical Imaging, Lausanne, Switzerland

²Laboratory of Magnetic Resonance Imaging Systems and Methods, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

³Swiss Innovation Hub, Siemens Healthineers International AG, Lausanne, Switzerland

⁴Department of Radiology and Medical Informatics, Faculty of Medicine, University of Geneva, Geneva, Switzerland

⁵Division of Radiology, Department of Diagnostics, Geneva University Hospital, Geneva, Switzerland

⁶LTS5, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

⁷Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland

Presenting Author: Emilie Sleight

Synopsis

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References

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4. E. Sleight, L. Romanin, G.F. Piredda, F. Grouiller, T. Hilbert, D. Karampinos, "Optimisation strategy for determining refocusing flip angle trains in the multi-echo spin-echo sequence for T2 mapping at 7T" Proceedings of the ESMRMB 2025 Online 41st Annual Scientific Meeting 8–11 October 2025, https://doi.org/10.1007/s10334-025-01278-8 [doi]

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7. T. J. Sumpf, A. Petrovic, M. Uecker, F. Knoll, and J. Frahm, “Fast T2 Mapping With Improved Accuracy Using Undersampled Spin-Echo MRI and Model-Based Reconstructions With a Generating Function,” IEEE Trans. Med. Imaging, vol. 33, no. 12, pp. 2213–2222, Dec. 2014, doi: 10.1109/TMI.2014.2333370. [doi]

8. T. Hilbert et al., “Fast model-based T2 mapping using SAR-reduced simultaneous multislice excitation,” Magn. Reson. Med., vol. 82, no. 6, pp. 2090–2103, 2019, doi: 10.1002/mrm.27890. [doi]

9. W. Bano et al., “Model-based super-resolution reconstruction of T2 maps,” Magn. Reson. Med., vol. 83, no. 3, pp. 906–919, 2020, doi: 10.1002/mrm.27981. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/361-06-006