Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
461-03-001 ISMRM Abstract

Correcting Concomitant Gradient Field in Multi-Echo GRE Tissue Field Map Measurement

Primary: Acquisition & Reconstruction - Artifacts and Correction Strategies
Secondary: Contrast Mechanisms
461-03-001 · Artifact Correction Strategies in Brain and Body · Tuesday, 12 May, 1:40 PM–2:35 PM · Digital Posters Row B
Keywords: Gradient non-linearity Quantitative Susceptibility Mapping (QSM) Field mapping 3D multi-echo GRE Concomitant Field
Accepted
Haodong Zhong1, Yang Song2, Yi Wang3,4, Jianqi Li 1,5
1Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai, China
2MR Research Collaboration, Shanghai, China
3Biomedical Engineering, Cornell University, Ithaca, United States of America
4Department of Radiology, Weill Cornell Medicine, New York, United States of America
5Institute of Magnetic Resonance and Molecular Imaging in Medicine, East China Normal University, Shanghai, China
Presenting Author: Jianqi Li

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References

1. Bernstein. M A, Zhou. X J, Polzin. J A, King. K F, Ganin. A, Pelc. N J and Glover G H. Concomitant Gradient Terms in Phase Contrast MR: Analysis and Correction. Magn Reson Med, 1998; 39: 300–308. doi: 10.1002/mrm.1910390218 [doi]
2. Schweser F, Deistung A and Reichenbach J R. Foundations of MRI phase imaging and processing for Quantitative Susceptibility Mapping (QSM). Z Med Phys, 2016; 26(1): 6-34. doi: 10.1016/j.zemedi.2015.10.002 [doi]
3. QSM Consensus Organization Committee et al. Recommended implementation of quantitative susceptibility mapping for clinical research in the brain: A consensus of the ISMRM electro-magnetic tissue properties study group,” Magn Reson Med, vol. 91, no. 5, pp. 1834-1862, 2024, doi: 10.1002/mrm.30006. [doi]
4. Liu T, Spincemaille P, de Rochefort L, Kressler B and Wang Y. Calculation of susceptibility through multiple orientation sampling (COSMOS): a method for conditioning the inverse problem from measured magnetic field map to susceptibility source image in MRI. Magn Reson Med, 2009; 61(1): 196-204. doi: 10.1002/mrm.21828 [doi]
5. Cusack R and Papadakis N. New robust 3-D phase unwrapping algorithms: application to magnetic field mapping and undistorting echoplanar images. Neuroimage, 2002; 16(3 Pt 1): 754-764. doi: 10.1006/nimg.2002.1092 [doi]
6. Liu T, Khalidov I, de Rochefort L, Spincemaille P, Liu J, Tsiouris A J and Wang Y. A novel background field removal method for MRI using projection onto dipole fields (PDF). NMR Biomed, 2011; 24(9): 1129-36. doi: 10.1002/nbm.1670 [doi]
7. Liu Z, Kee Y, Zhou D, Wang Y and Spincemaille P. Preconditioned total field inversion (TFI) method for quantitative susceptibility mapping. Magn Reson Med, 2017; 78(1): 303-315. doi: 10.1002/mrm.26331 [doi]

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http://echo.ismrm.org/p/ISMRM2026/461-03-001