569-04-014 ISMRM Abstract

A comparison of methods for high-resolution 31P B1 Mapping

Primary: Physics & Engineering - System Imperfections

Secondary: Acquisition & Reconstruction - Spectroscopy and spectroscopic imaging

569-04-014 · Spectroscopy: Acquisition and Reconstruction · Wednesday, 13 May, 2:35 PM–3:30 PM · Digital Posters Row J

Keywords: High-Field MRI B1 Mapping Phosphorus-31

Accepted

Isaac Watson ¹, Derek K Jones², Jurgen E Schneider¹

¹Biomedical Imaging Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom

²Cardiff Univeristy Brain Research Imaging Centre (CUBRIC), School of Psychology, Cardiff University, Cardiff, United Kingdom

Presenting Author: Isaac Watson

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References

1. Santos Diaz, Alejandro & Noseworthy, Michael. (2020). Phosphorus magnetic resonance spectroscopy and imaging (31P-MRS/MRSI) as a window to brain and muscle metabolism: A review of the methods. Biomedical Signal Processing and Control.. 10.1016/j.bspc.2020.101967. [doi]

2. Widmaier MS, Kaiser A, Baup S, et al. (2025) Fast 3D 31P mapping with a weighted stack of spiral trajectory at 7 T. Magn Reson Med. 93: 481-489. 10.1002/mrm.30321 [doi]

3. Morrell, G.R. (2008), A phase-sensitive method of flip angle mapping. Magn. Reson. Med., 60: 889-894. https://doi.org/10.1002/mrm.21729 [doi]

4. Allen, S.P., Morrell, G.R., Peterson, B., Park, D., Gold, G.E., Kaggie, J.D. and Bangerter, N.K. (2011), Phase-sensitive sodium B1 mapping. Magn. Reson. Med., 65: 1125-1130. https://doi.org/10.1002/mrm.22700 [doi]

5. Pohmann, R. and Scheffler, K. (2013), A theoretical and experimental comparison of different techniques for B1 mapping at very high fields. NMR Biomed., 26: 265-275. https://doi.org/10.1002/nbm.2844 [doi]

6. Cunningham, C.H., Pauly, J.M. and Nayak, K.S. (2006), Saturated double-angle method for rapid B1+ mapping. Magn. Reson. Med., 55: 1326-1333. https://doi.org/10.1002/mrm.20896 [doi]

7. Clarke WT, Robson MD, and Rodgers CT (2016). Bloch-Siegert B1+-mapping for human cardiac (31) P-MRS at 7 Tesla. Magn Reson Med. 2016 Oct;76(4):1047-58. 10.1002/mrm.26005. [doi]

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http://echo.ismrm.org/p/ISMRM2026/569-04-014