Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
568-02-009 ISMRM Abstract

Reduction of gradient wrap-around (cusp) artifacts in an insert gradient system by passive shim modification

Accepted
SEUNG-KYUN LEE1, Afis Ajala 1, Thomas K Foo1
1GE HealthCare Technology and Innovation Center, Niskayuna, United States of America
Presenting Author: Afis Ajala

Synopsis

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References

1. M. Weiger et al., “A unipolar head gradient for high-field MRI without encoding ambiguity”, Magn Reason Med (2025, Early view), https://doi.org/10.1002/mrm.70098 [doi]
2. T. Chmielewski and S. M. Shvartsman, “Reduction of artifacts in magnetic resonance imaging” US Patent 11,353,535 B2 (2022).
3. Favazza et al, “Use of a radio frequency shield during 1.5 and 3.0 T magnetic resonance imaging: experimental evaluation”, Medical Devices Evidence and Research 7:363-370 (2014)
4. K. King and R. S. Hinks, “Method and system of MR imaging with reduced FSE cusp artifacts”, US Patent 7,952,351 B2 (2011).
5. S. Chang et al., “Method and systems for coil selection in magnetic resonance imaging to reduce Annefact artifact”, US 2019/0369181 A1 (2019).
6. N. Rangwala and X. J. Zhou, “Reduction of FSE cusp artifact using a slice-tilting gradient”, Magn Reson Med 64(1), 220 (2010).
7. Y. Lai et al., “FSE cusp artifact removal using novel saturation method”, Proceedings of ISMRM (2015), Abstract 3779.
8. T.K.-F. Foo et al., “Highly efficient head-only magnetic field insert gradient coil for achieving simultaneous high gradient amplitude and slew rate at 3.0T (MAGNUS) for brain microstructure imaging”. Magn Reson Med 83(6), 2356 (2020).

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