Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
362-04-002 ISMRM Abstract

Cross-vendor implementation and comparison of a 2D sLASER-rosette sequence for MRSI of the human brain

Primary: Contrast Mechanisms - Spectroscopy
Secondary: Acquisition & Reconstruction - Spectroscopy and spectroscopic imaging
362-04-002 · Spectroscopy and Spectroscopic Imaging: Neuro I · Monday, 11 May, 2:45 PM–3:40 PM · Digital Posters Row C
Keywords: Spectroscopy Semi-LASER Cross-vendor MRI Magnetic resonance spectroscopic imaging Rosette
Accepted
Emile Kadalie 1, Michel L Lauzon2,3,4, Chathura L Kumaragamage3,4,5, Mervyn Singh3,4,5, Milton Camacho4,5, Filomeno Cortese3,4,5, Vicente Enguix6,7, Neta Bar Am8, Ashley D Harris 3,4,5, Gregory Lodygensky6,7, Jamie Near1,9
1Physical Science Platform, Sunnybrook Research Institute, Toronto, Canada
2Seaman Family MR Research Centre, Foothills Medical Centre, Calgary, Canada
3Hotchkiss Brain Institute, Calgary, Canada
4Department of Radiology, Cumming School of Medicine, Calgary, Canada
5Alberta Children's Hospital Research Insitute, Calgary, Canada
6Centre de Recherche du CHU Sainte-Justine, Montreal, Canada
7Canadian Neonatal Brain Platform, Université de Montréal, Montréal, Canada
8Newborn Critical Care, Department of Pediatrics, University of Calgary, Calgary, Canada
9Department of Medical Biophysics, University of Toronto, Toronto, Canada
Presenting Author: Emile Kadalie

Synopsis

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References

1. Noll DC. Multishot rosette trajectories for spectrally selective MR imaging. IEEE Trans Med Imaging. 1997;16(4):372-377. doi:10.1109/42.611345 [doi]
2. Schirda CV, Zhao T, Andronesi OC, et al. In vivo brain rosette spectroscopic imaging (RSI) with LASER excitation, constant gradient strength readout, and automated LCModel quantification for all voxels. Magn Reson Med. 2016;76(2):380-390. doi:10.1002/mrm.25896 [doi]
3. Deelchand DK, Berrington A, Noeske R, et al. Across‐vendor standardization of semi‐LASER for single‐voxel MRS at 3T. NMR Biomed. 2021;34(5):e4218. doi:10.1002/nbm.4218 [doi]
4. Ogg RJ, Kingsley PB, Taylor JS. WET, a T1- and B1-insensitive water-suppression method for in vivo localized 1H NMR spectroscopy. J Magn Reson B. 1994;104(1):1-10. doi:10.1006/jmrb.1994.1048 [doi]
5. 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;77(1):23-33. doi:10.1002/mrm.26091 [doi]
6. Klose U. In vivo proton spectroscopy in presence of eddy currents. Magn Reson Med. 1990;14(1):26-30. doi:10.1002/mrm.1910140104 [doi]
7. Provencher SW. Estimation of metabolite concentrations from localized in vivo proton NMR spectra. Magn Reson Med. 1993;30(6):672-679. doi:10.1002/mrm.1910300604 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/362-04-002