Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
468-06-012 ISMRM Abstract

ZTE-STAR: Dynamic Zero-TE imaging with a 3D Spiral-Phyllotaxis Trajectory using Temporal TV and Algebraic Dead-Time Filling

Primary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods
Secondary: Acquisition & Reconstruction - Subsampling: Parallel imaging, compressed sensing and low-rank modeling
468-06-012 · Acquisition and Reconstruction Strategies for Dynamic and Cardiac Imaging · Tuesday, 12 May, 4:55 PM–5:50 PM · Digital Posters Row I
Keywords: fMRI Acquisition Compressed Sensing Golden angle sampling ZTE Algebraic reconstruction
Accepted
Naoto Fujita 1,2, Tomokazu Tsurugizawa2,3,4, Yasuhiko Terada1
1Graduate School of Science and Technology, The University of Tsukuba, Tsukuba, Japan
2Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
3Institute of Systems and Information Engineering, The University of Tsukuba, Tsukuba, Japan
4Université du Québec à Trois-Rivières, Trois-Rivières, Canada
Presenting Author: Naoto Fujita

Synopsis

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References

1. Bae K, Jeon KN, Hwang MJ, et al. Respiratory motion–resolved four-dimensional zero echo time (4D ZTE) lung MRI using retrospective soft gating: feasibility and image quality compared with 3D ZTE. Eur Radiol 2020; 30:5130–5138. doi: 10.1007/s00330-020-06890-x. [doi]
2. Papp D, Castillo T JM, Wielopolski PA, et al. Deep learning for improving ZTE MRI images in free breathing. Magn Reson Imaging 2023; 98:97–104. doi: 10.1016/j.mri.2023.01.019. [doi]
3. Imamura A, Araki R, Takahashi Y, et al. Zero-echo time imaging achieves whole brain activity mapping without ventral signal loss in mice. NeuroImage 2025; 307:121024. doi: 10.1016/j.neuroimage.2025.121024. [doi]
4. Laakso H, Wu L, Ponticorvo S, et al. Simultaneous zero echo time fMRI of rat brain and spinal cord. Magn Reson Med. 2025; 94(6): 2335-2346. doi: 10.1002/mrm.30633. [doi]
5. Mangia S, Michaeli S, Gröhn O. Outlook on zero/ultrashort echo time techniques in functional MRI. Magn Reson Med. 2025; 1-10. doi: 10.1002/mrm.70065. [doi]
6. Feng L, Grimm R, Block KT, et al. Golden-angle radial sparse parallel MRI: Combination of compressed sensing, parallel imaging, and golden-angle radial sampling for fast and flexible dynamic volumetric MRI. Magn Reson Med 2014; 72:707–717. doi: 10.1002/mrm.24980. [doi]
7. Feng L, Chandarana H. Accelerated Abdominal MRI: A Review of Current Methods and Applications. J Magn Reson Imaging 2025; 62:654–672. doi: 10.1002/jmri.29750. [doi]
8. Ramachandran S, Wood TC, Zhang G, Lustig M. Arc-ZTE: Incoherent k-space sampling in time using continuously-slewed gradients for flexible, dynamic, quiet Zero TE MRI. Proceedings of International Society of Magnetic Resonance in Medicine 32th Scientific Meeting, 2024, p0950.
9. Ljungberg E, Wood TC, Solana AB, Williams SCR, Barker GJ, Wiesinger F. Motion corrected silent ZTE neuroimaging. Magn Reson Med 2022; 88:195–210. doi: 10.1002/mrm.29201. [doi]
10. Piccini D, Littmann A, Nielles-Vallespin S, Zenge MO. Spiral phyllotaxis: The natural way to construct a 3D radial trajectory in MRI. Magn Reson Med 2011; 66:1049–1056. doi: 10.1002/mrm.22898. [doi]

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http://echo.ismrm.org/p/ISMRM2026/468-06-012