462-01-005 ISMRM Abstract

Reducing ASL Signal Dropout at 3 Tesla and 7 Tesla Using Spiral In-Out Trajectories

Primary: Contrast Mechanisms - Arterial Spin Labelling

Secondary: Physics & Engineering - High-Field MRI

462-01-005 · Contrast Mechanisms Potpourri Including Registered/Clinical Abstracts · Tuesday, 12 May, 8:20 AM–9:15 AM · Digital Posters Row C

Keywords: Arterial Spin Labelling (ASL) Spiral in-out Signal dropout Stack-of-spirals

Accepted

Yulin Chang ¹, Manuel Taso², Wei-ching Lo³, Nutandev Bikkamane Jayadev¹, Jan A Kufer^3,4, Meher R Juttukonda^3,4, Marta Vidorreta⁵, Stephen Cauley¹, Ze Wang⁶, John Detre^7,8

¹Siemens Medical Solutions USA Inc., Boston, United States of America

²Siemens Medical Solutions USA, Inc., Malvern, United States of America

³Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, United States of America

⁴Harvard Medical School, Boston, United States of America

⁵Siemens Healthcare, Madrid, Spain

⁶Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, United States of America

⁷Department of Neurology, University of Pennsylvania, Philadelphia, United States of America

⁸Department of Radiology, University of Pennsylvania, Philadelphia, United States of America

Presenting Author: Yulin Chang

Synopsis

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References

1. Detre et al., Perfusion Imaging, Magn Reson Med 23(1992):37-45; doi:10.1002/mrm.1910230106 [doi]

2. Ye et al., Noise Reduction in 3D Perfusion Imaging by Attenuating the Status Signal in Arterial Spin Tagging (ASSIST), Magn Reson Med 44(2000):92-100; https://doi.org/10.1002/1522-2594(200007)44:1<92::AID-MRM14>3.0.CO;2-M [doi]

3. Alsop et al., Recommended Implementation of Arterial Spin-Labeled Perfusion MRI for Clinical Applications: A Consensus of the ISMRM Perfusion Study Group and the European Consortium for ASL in Dementia, Magn Reson Med 73(2015):102-116; doi:10.1002/mrm.25197 [doi]

4. Vidorreta et al., Comparison of 2D and 3D single-shot ASL perfusion fMRI sequences, NeuroImage 66(2013):662-671; doi:10.1016/j.neuroimage.2012.10.087 [doi]

5. Dai et al., Continuous Flow-Driven Inversion for Arterial Spin Labeling Using Pulsed Radio Frequency and Gradient Fields, Magn Reson Med 60(2008):1488-1497; doi:10.1002/mrm.21790 [doi]

6. Vidorreta et al., Whole-brain background-suppressed pCASL MRI with 1D-accelerated 3D RARE Stack-Of-Spirals readout, PLoS ONE 12(8):e0183762; https://doi.org/10.1371/journal.pone.0183762 [doi]

7. Li et al., Arterial Spin Labeled Perfusion Imaging Using Three-Dimensional Turbo Spin Echo with a Distributed Spiral In/Out Trajectory, Magn Reson Med 75(2016):266-273; doi:10.1002/mrm.25645 [doi]

8. Qu et al., Improved inflow saturation markedly reduces inflow artifacts in background suppressed 3D arterial spin labeling, Proc. ISMRM 2020:3275

9. Li et al., Sliding-Slab Three-Dimensional TSE Imaging With a Spiral-In/Out Readout, Magn Reson Med 75(2016):729-738; doi:10.1002/mrm.25660 [doi]

10. Fessler, Image Reconstruction Toolbox: MRI Software (online resource);

11. Engel et al., Single-shot spiral imaging at 7 T, Magn Reson Med 80(2018):1836-1846; doi:10.1002/mrm.27176 [doi]

12. Fielden and Meyer, A Simple Acquisition Strategy to Avoid Off-Resonance Blurring in Spiral Imaging with Redundant Spiral-In/Out k-Space Trajectories, Magn Reson Med 73(2015):704-710; doi:10.1002/mrm.25172 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/462-01-005