466-03-013 ISMRM Abstract

Comparing 3D radial phyllotaxis and stack-of-stars trajectories for free-breathing liver imaging

Primary: Body - Liver

Secondary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods

466-03-013 · Pulse Sequences with a Focus on Quantitative Imaging · Tuesday, 12 May, 1:40 PM–2:35 PM · Digital Posters Row G

Keywords: Liver Free breathing Radial sampling Motion-resolved MRI

Accepted

Anh T Van^1,2, Martin Nicoletti², Marco Mueller^2,3, Stanislas Rapacchi², Isabel Montón Quesada², Ilaria Brovedani ^2,3, Jean-Baptiste LEDOUX^1,2, Augustin C Ogier², Ruud B van Heeswijk², Jérôme Yerly^1,2, Matthias Stuber^1,2

¹CIBM Center for BioMedical Imaging, Lausanne, Switzerland

²Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland

³Swiss Innovation Hub, Siemens Healthineers International AG, Switzerland

Presenting Author: Ilaria Brovedani

Synopsis

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References

1. Feng L, Axel L, Chandarana H, Block KT, Sodickson DK, Otazo R. XD-GRASP: Golden-angle radial MRI with reconstruction of extra motion-state dimensions using compressed sensing. Magn Reson Med 2016;75(2):775-788. doi: 10.1002/mrm.25665 [doi]

2. Stelter J, Weiss K, Spieker V, Schnabel JA, Braren RF, Karampinos DC. B(0) navigator enables respiratory motion navigation in radial stack-of-stars liver Look-Locker T(1) mapping. Magn Reson Med 2025;94(4):1458-1468. doi: 10.1002/mrm.30567 [doi]

3. 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(4):1049-1056. 10.1002/mrm.22898 [doi]

4. Di Sopra L, Piccini D, Coppo S, Stuber M, Yerly J. An automated approach to fully self-gated free-running cardiac and respiratory motion-resolved 5D whole-heart MRI. Magn Reson Med 2019;82(6):2118-2132. doi: 10.1002/mrm.27898 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/466-03-013