Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
569-04-002 ISMRM Abstract

Multi-shot 2D Selective Excitation for Extracranial Lipid Suppression in MR Spectroscopic Imaging of the Brain

Primary: Acquisition & Reconstruction - Spectroscopy and spectroscopic imaging
Secondary: Physics & Engineering - RF Pulse Design & Fields
569-04-002 · Spectroscopy: Acquisition and Reconstruction · Wednesday, 13 May, 2:35 PM–3:30 PM · Digital Posters Row J
Keywords: Brain Machine Learning/Artificial Intelligence RF Pulse Design & Fields MRSI Metabolic imaging
Accepted
Jason Rock 1,2, Yuliang Xiao1,2, Emile Kadalie2, Christabel Faylinn1,2, Tim Zhe Wu3, Mark Chiew1,2, Simon J Graham1,2, Jamie Near1,2
1Department of Medical Biophysics, University of Toronto, Toronto, Canada
2Physical Science Platform, Sunnybrook Research Institute, Toronto, Canada
3Siemens Healthcare Limited, Montreal, Canada
Presenting Author: Jason Rock

Synopsis

Motivation:
Goals:
Approach:
Results:
Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

Log in

References

1. Graff-Radford J, Kantarci K. Magnetic resonance spectroscopy in Alzheimer's disease. Neuropsychiatr Dis Treat. 2013;9:687-96. doi: 10.2147/NDT.S35440. Epub 2013 May 16. PMID: 23696705; PMCID: PMC3658533. [doi] [pmid]
2. Narayana PA. Magnetic resonance spectroscopy in the monitoring of multiple sclerosis. J Neuroimaging. 2005;15(4 Suppl):46S-57S. doi: 10.1177/1051228405284200. PMID: 16385018; PMCID: PMC1351238. [doi] [pmid]
3. Lin L, Považan M, Berrington A, Chen Z, Barker PB. Water removal in MR spectroscopic imaging with L2 regularization. Magn Reson Med. 2019 Oct;82(4):1278-1287. doi: 10.1002/mrm.27824. Epub 2019 May 31. PMID: 31148254; PMCID: PMC6626566. [doi] [pmid]
4. Kumaragamage C, De Feyter HM, Brown P, McIntyre S, Nixon TW, de Graaf RA. Robust outer volume suppression utilizing elliptical pulsed second order fields (ECLIPSE) for human brain proton MRSI. Magn Reson Med. 2020 May;83(5):1539-1552. doi: 10.1002/mrm.28047. Epub 2019 Nov 19. PMID: 31742799; PMCID: PMC6982600. [doi] [pmid]
5. Pauly J, Nishimura D, Macovski A. A k-space analysis of small-tip-angle excitation. 1989. J Magn Reson. 2011;213(2):544-557. doi:10.1016/j.jmr.2011.09.023 [doi]
6. Spielman D, Pauly J, Macovski A, Enzmann D. Spectroscopic imaging with multidimensional pulses for excitation: SIMPLE. Magn Reson Med. 1991 May;19(1):67-84. doi: 10.1002/mrm.1910190107. PMID: 2046539. [doi] [pmid]
7. Xiao, Y (2025, March 5-6) ,P5-07: Self-Supervised Parallel Transmit RF Pulse Design for 2D Spatially Selective Excitation [Poster Abstract]. Imaging Network of Ontario 2025, Toronto, Ontario, Canada
8. Jang A, He X, Liu F. Physics-guided self-supervised learning: Demonstration for generalized RF pulse design. Magn Reson Med. 2025 Feb;93(2):657-672. doi: 10.1002/mrm.30307. Epub 2024 Oct 9. PMID: 39385438; PMCID: PMC11604838. [doi] [pmid]
9. Panych LP, Oshio K. Selection of high-definition 2D virtual profiles with multiple RF pulse excitations along interleaved echo-planar k-space trajectories. Magn Reson Med. 1999 Feb;41(2):224-9. doi: 10.1002/(sici)1522-2594(199902)41:2<224::aid-mrm2>3.0.co;2-g. PMID: 10080266. [doi] [pmid]
10. 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. Magn Reson Med. 2017 Jan;77(1):23-33. doi: 10.1002/mrm.26091. Epub 2015 Dec 30. PMID: 26715192. [doi] [pmid]
11. Provencher SW. Automatic quantitation of localized in vivo 1H spectra with LCModel. NMR Biomed. 2001 Jun;14(4):260-4. doi: 10.1002/nbm.698. PMID: 11410943. [doi] [pmid]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/569-04-002