Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
409-03-004 ISMRM Abstract

Omni-QALAS: Optimized Multiparametric Imaging for Simultaneous T1, T2 and Myelin Water Mapping

Primary: Acquisition & Reconstruction - Quantitative Imaging: relaxometry, multi-parametric, MR Fingerprinting, and synthetic MRI
Secondary: Analysis Methods - Data Processing
409-03-004 · Quantitative Imaging: Applications · Tuesday, 12 May, 1:40 PM–3:30 PM · Meeting Room 2.40
Keywords: Optimization Quantitative Mapping Myelin water fraction
Accepted
Shizhuo Li 1, Unay Dorken Gallastegi2,3, Shohei Fujita2,3, Yuting Chen1, Pengcheng Xu1, Kwok-Shing Chan2,3, Borjan Gagoski2,4, Yangsean Choi5, Jiye Kim6, Gian Franco Piredda7, Tom Hilbert7, Jongho Lee6, Huihui Ye8, Huafeng Liu1, Berkin Bilgic2,3,9, Yohan Jun2,3
1Zhejiang University, Hangzhou, China
2Harvard Medical School, Boston, United States of America
3Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, United States of America
4Radiology, Boston Children's Hospital and Harvard Medical School, Boston, United States of America
5Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of
6Seoul National University, Seoul, Korea, Republic of
7Siemens Healthineers International AG, Lausanne, Switzerland
8Hangzhou Dianzi University, Hangzhou, China
9Harvard-MIT Health Sciences and Technology, Cambridge, United States of America
Presenting Author: Shizhuo Li

Synopsis

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References

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2. Fujita S, et al. Accelerated isotropic multiparametric imaging by high spatial resolution 3D-QALAS with compressed sensing. Invest Radiol 2021;56:292–300. doi:10.1097/RLI.0000000000000744 [doi]
3. Fujita S, et al. Vendor-agnostic joint relaxometry and myelin water fraction mapping with B1 correction. Proc. Intl. Soc. Magn. Reson. Med. 2025;1104.
4. Arefeen Y, Gagoski B, Jun Y, Bilgic B, Adalsteinsson E. Improved T1 and T2 mapping in 3D-QALAS using temporal subspaces and flip angle optimization enabled by auto-differentiation. Proc. Intl. Soc. Magn. Reson. Med. 2023.
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7. Zhao B, Haldar JP, Liao C, Ma D, Jiang Y, Griswold MA, Setsompop K, Wald LL. Optimal experiment design for magnetic resonance fingerprinting: Cramér-Rao bound meets spin dynamics. IEEE Trans Med Imaging 2019;38(3):844–861. doi: 10.1109/TMI.2018.2873704. [doi]
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9. Piredda Gian Franco, Ravara Alberto, Emmerling Thomas, et al. Fast and high-resolution myelin water imaging: Accelerating multi-echo GRASE with CAIPIRINHA. Magnetic Resonance in Medicine. 2021;86(2):1093–1107. doi: 10.1002/mrm.28427. Epub 2020 Jul 27. PMID: 32720406. [doi] [pmid]
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11. Liao C, Cao X, Iyer SS, et al. High-resolution myelin-water fraction and quantitative relaxation mapping using 3D ViSTa-MR fingerprinting. Magn Reson Med 2024;91(6):2278–2293. doi: 10.1002/mrm.29990. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/409-03-004