Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
569-04-005 ISMRM Abstract

Optimized B0 and B1-Insensitive Water Suppression for Rapid Whole-Slice Rosette MRSI Acquisition in the Brain

Primary: Acquisition & Reconstruction - Spectroscopy and spectroscopic imaging
Secondary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods
569-04-005 · Spectroscopy: Acquisition and Reconstruction · Wednesday, 13 May, 2:35 PM–3:30 PM · Digital Posters Row J
Keywords: Magnetic resonance spectroscopic imaging Whole-brain B0 Inhomogeneity B1 inhomogeneity Water suppression
Accepted
Christabel Faylinn 1,2, Emile Kadalie3, Tim Zhe Wu4, Kamil Uludag1,2,5, Jamie Near1,2,3,6,7,8
1Department of Medical Biophysics, University of Toronto, Toronto, Canada
2Department of Physical Sciences, Sunnybrook Research Institute, Toronto, Canada
3Physical Science Platform, Sunnybrook Research Institute, Toronto, Canada
4Siemens Healthcare Limited, Montreal, Canada
5Krembil Brain Institute, University Health Network, Toronto, Canada
6Centre d'Imagerie Cérébrale, Douglas Institute, Montreal, Canada
7Integrated Program in Neurosciences, McGill University, Montreal, Canada
8Department of Biomedical Engineering, McGill University, Montreal, Canada
Presenting Author: Christabel Faylinn

Synopsis

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References

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2. Ogg RJ, Kingsley PB, Taylor J. WET, a T1- and B1-Insensitive Water-Suppression Method for in Vivo Localized 1H NMR Spectroscopy. Journal of Magnetic Resonance, Series B. 1994;104(1):1-10. doi:https://doi.org/10.1006/jmrb.1994.1048 [doi]
3. Tkác I, Starcuk Z, Choi IY, Gruetter R. In vivo 1H NMR spectroscopy of rat brain at 1 ms echo time. Magnetic Resonance in Medicine. 1999;41(4):649-656. doi:https://doi.org/10.1002/(sici)1522-2594(199904)41:4%3C649::aid-mrm2%3E3.0.co;2-g [doi]
4. Igwe KC, Gajdošík M, Juchem C, Landheer K. Constrained optimized water suppression for 1H MR spectroscopy. Magnetic Resonance in Medicine. 2025;94(3). doi:https://doi.org/10.1002/mrm.30550 [doi]
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6. Ouwerkerk R. Fast Sequence Optimization for Superior Signal Suppression with Multiple Hyperbolic Secant Pulses. Proc. Fifteenth Meet. Int. Soc. Magn. Reson. Med., 1007;15:1674.
7. Senthil S, Kadota B, Truong P, Near J. Retrospective frequency drift correction of rosette MRSI data using spectral registration. Magnetic Resonance in Medicine. 2023;90(4):1271-1281. doi:https://doi.org/10.1002/mrm.29760 [doi]
8. Simpson R, Devenyi GA, Jezzard P, Hennessy TJ, Near J. Advanced processing and simulation of MRS data using the FID appliance (FID‐A)—An open source, MATLAB‐based toolkit. Magnetic Resonance in Medicine. 2015;77(1):23-33. doi:https://doi.org/10.1002/mrm.26091 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/569-04-005