470-11-161 ISMRM Abstract

Identifying out-of-voxel echoes in edited MRS with phase cycle inversion

Primary: Contrast Mechanisms - Spectroscopy

Secondary: Acquisition & Reconstruction - Artifacts and Correction Strategies

470-11-161 · Spectroscopy Traditional Posters · Tuesday, 12 May, 4:55 PM–5:50 PM · Traditional Posters | Exhibition Hall

Keywords: OUT OF VOXEL ARTIFACT Phase cycling Coherence transfer pathway Single-voxel 1H MRS Receiver phase

Accepted

Zahra Shams¹, Abdelrahman Gad¹, Aaron T Gudmundson², Saipavitra Murali-Manohar¹, Christopher W Davies-Jenkins¹, Gizeaddis Simegn¹, Dunja Simicic¹, Yulu Song¹, Vivek Yedavalli¹, Helge J Zöllner¹, Georg Oeltzschner¹, Dillip K. Senapati¹, Peter B Barker^1,3, Richard AE Edden ¹

¹The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, United States of America

²The Malone Center for Engineering in Healthcare, Johns Hopkins University, Baltimore, United States of America

³F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, United States of America

Presenting Author: Richard AE Edden

Synopsis

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References

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6. Carlsson Å, Ljungberg M, Starck G, Forssell-Aronsson E. Degraded water suppression in small volume 1H MRS due to localised shimming. Magn Reson Mater Phy. 2011; 24(2):97–107. https://doi.org/10.1007/s10334-010-0239-2 [doi]

7. Berrington A, Považan M, Barker PB. Estimation and removal of spurious echo artifacts in single‐voxel MRS using sensitivity encoding. Magnetic Resonance in Med. 2021; 86(5):2339–52. https://doi.org/10.1002/mrm.28848 [doi]

8. Shams Z, Klomp DWJ, Boer VO, Wijnen JP, Wiegers EC. Identifying the source of spurious signals caused by B0 inhomogeneities in single‐voxel 1 H MRS . Magnetic Resonance in Med. 2022; 88(1):71–82. https://doi.org/10.1002/mrm.29222 [doi]

9. Hurd RE, Sailasuta N. Elimination of artifacts in short echo proton spectroscopy. In: Proceedings of the 5th Annual Meeting of ISMRM. Vancouver, Canada; 1997. p. 1453. https://doi.org/10.1016/0022-2364(90)90021-Z [doi]

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http://echo.ismrm.org/p/ISMRM2026/470-11-161