Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
431-03-008 / 431-03-008 ISMRM Abstract

Localized Quadratic rf Encoding with spiral DEFT reconstruction: A practical alternative to 3D FSE for Volumetric Brain MRI

Accepted
Guruprasad Krishnamoorthy1, Julia V Velikina1, James G Pipe 1
1University of Wisconsin - Madison, Madison, United States of America
Presenting Author: James G Pipe

Synopsis

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References

1. Busse RF, Hariharan H, Vu A, Brittain JH. Fast spin echo sequences with very long echo trains: Design of variable refocusing flip angle schedules and generation of clinical T2 contrast. Magn Reson Med. 2006;55(5):1030-1037. doi:10.1002/MRM.20863 [doi]
2. Busse RF, Brau ACS, Vu A, et al. Effects of refocusing flip angle modulation and view ordering in 3D fast spin echo. Magn Reson Med. 2008;60(3):640-649. doi:10.1002/MRM.21680;PAGEGROUP:STRING:PUBLICATION [doi]
3. Mugler JP, Bao S, Mulkern R V., et al. Optimized single-slab three-dimensional spin-echo MR imaging of the brain. Radiology. 2000;216(3):891-899. doi:10.1148/RADIOLOGY.216.3.R00AU46891/ASSET/IMAGES/LARGE/R00AU46G10X.JPEG [doi]
4. Kim D, Wang D, Chao T cheng, Campeau N, Pipe JG. Volumetric T2-weighted spin echo imaging with improved SNR using localized quadratic encoding and a spiral readout trajectory. Magn Reson Med. 2023;90(6):2261-2274. doi:10.1002/MRM.29788;PAGEGROUP:STRING:CONTENT [doi]
5. Krishnamoorthy G, Pipe G. James. Enhanced Volumetric Brain MRI with Simultaneous Multi-Contrast Imaging: A Spiral Spin-Echo Sequence with Localized Quadratic Encoding. In: Proc. Intl. Soc. Mag. Reson. Med. 2025:33. Accessed September 3, 2025. https://cds.ismrm.org/protected/25MProceedings/PDFfiles/0346_9T9VhBQ5r.html
6. Chao TC, Peng X, Wang D, Pipe JG. Evaluating efficient SENSE algorithms to deblur spiral MRI with fat/water separation. Magn Reson Med. 2023;90(5):2190-2197. doi:10.1002/MRM.29773 [doi]
7. Lustig M, Donoho D, Pauly JM. Sparse MRI: The application of compressed sensing for rapid MR imaging. Magn Reson Med. 2007;58(6):1182-1195. doi:10.1002/MRM.21391;WGROUP:STRING:PUBLICATION [doi]
8. Ong F, Uecker M, Tariq U, et al. Robust 4D flow denoising using divergence-free wavelet transform. Magn Reson Med. 2015;73(2):828-842. doi:10.1002/MRM.25176;WGROUP:STRING:PUBLICATION [doi]
9. Boyd S, Parikh N, Chu E, Peleato B, Eckstein J. Distributed optimization and statistical learning via the alternating direction method of multipliers. Foundations and Trends in Machine Learning. 2010;3(1):1-122. doi:10.1561/2200000016 [doi]
10. Pipe JG, Krishnamoorthy G. A Rapid Spiral-based Oracle Scout sequence with integrated field measurements. In: Proc. Intl. Soc. Mag. Reson. Med. 33. 2025. Accessed August 20, 2025. https://submissions.mirasmart.com/ISMRM2025/Itinerary/PresentationDetail.aspx?evdid=6958
11. Krishnamoorthy G, Pipe JG. Exact, time-dependent analytical equations for spiral trajectories and matching gradient and density-correction waveforms. Magn Reson Med. Published online 2025. doi:10.1002/MRM.70053 [doi]
12. Zwart NR, Pipe JG. Graphical programming interface: A development environment for MRI methods. Magn Reson Med. 2015;74(5):1449-1460. doi:10.1002/MRM.25528/ASSET/SUPINFO/MRM25528-SUP-0001-SUPPFIGS.PDF [doi]
13. Chao TC, Peng X, Wang D, Pipe JG. Evaluating efficient SENSE algorithms to deblur spiral MRI with fat/water separation. Magn Reson Med. 2023;90(5):2190-2197. doi:10.1002/MRM.29773 [doi]
14. Robson PM, Grant AK, Madhuranthakam AJ, Lattanzi R, Sodickson DK, McKenzie CA. Comprehensive quantification of signal-to-noise ratio and g-factor for image-based and k-space-based parallel imaging reconstructions. Magn Reson Med. 2008;60(4):895-907. doi:10.1002/MRM.21728 [doi]

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