Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
405-03-010 ISMRM Abstract

Reducing 3D T2* Gradient-Recalled Echo sequence artefacts at 11.7T using pTx, CLEAR-SWI and locally-scrambled ordering

Primary: Physics & Engineering - High-Field MRI
Secondary: Acquisition & Reconstruction - Artifacts and Correction Strategies
405-03-010 · Ultra-High Field Hardware and Systems · Tuesday, 12 May, 1:40 PM–3:30 PM · Ballroom West
Keywords: Artifacts Velocity & Flow Ultra-high field PTx Clear-SWI
Accepted
Alexandre Vignaud 1, Franck Mauconduit1, Amir Seginer2, Rita Schmidt3, Simon Robinson4,5, Korbinian Eckstein4, Blanche Bapst1,6, Vincent Gras1, Nicolas Boulant1
1CEA NeuroSpin, Paris-Saclay University, CNRS, Gif-Sur-Yvette, France
2Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot, Israel
3Weizmann Institute of Science, Rehovot, Israel
4Medical University of Vienna, Vienna, Austria
5Centre for Advanced Imaging, The University of Queensland, Brisbane, Australia
6Université Paris-Est Créteil, APHP Henri Mondor, Créteil, France
Presenting Author: Alexandre Vignaud

Synopsis

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References

1. V Gras el al. Universal pulses: A new concept for calibration-free parallel transmission. Magn Reson Med 2017; 77: 635–643. DOI: 10.1002/mrm.26148 [doi]
2. A Seginer, R Schmidt. Messing up to clean up: Semi-randomized frequency selective space-filling curves to suppress physiological signal fluctuations in MRI. Magn Reson Med. 2023; 90: 2275–2289. DOI: 10.1002/mrm.29790 [doi]
3. K Eckstein et al. Improved susceptibility weighted imaging at ultra-high field using bipolar multi-echo acquisition and optimized image processing: CLEAR-SWI. NeuroImage 2021; 237: 118175. DOI: 10.1016/j.neuroimage.2021.118175 [doi]
4. N Boulant et al. In vivo imaging of the human brain with the Iseult 11.7-T MRI scanner. Nat Methods 2024; 21 : 2013–2016. DOI: 10.1038/s41592-024-02472-7 [doi]
5. S Shu et al. Electromagnetic and RF pulse design simulation based optimization of an eight-channel loop array for 11.7T brain imaging. Magn Reson Med 2023; 90: 770–783. DOI: 10.1002/mrm.29654 [doi]
6. Parker et al. Phase reconstruction from multiple coil data using a virtual reference coil. Magn Reson Med 2014; 72: 563-9. DOI: 10.1002/mrm.24932 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/405-03-010