431-02-009 / 431-02-009 ISMRM Abstract

4D Motion-resolved Free-breathing Abdominal Fast Spin-Echo MRI Using Repeated k-t-subsampling and Artifact Minimization

Primary: Acquisition & Reconstruction - Motion Correction: Non-Neuro

Secondary: Body - Liver

431-02-009 · A Clearer View Within: Advances in Body Imaging · Tuesday, 12 May, 1:40 PM–3:16 PM · Roof Terrace

Keywords: 4d mri Retrospective Motion Correction Liver T2 Fast spin echo

Accepted

Yi Li ¹, HAILIN XIONG¹, Shihui Chen^1,2, Liyuan Liang^1,2, Xiaorui Xu³, Chenglang Yuan¹, Tianbaige Liu¹, QITING WU¹, Wing Yat Cheung¹, ZILONG HUANG¹, Mei-Lan Chu⁴, Hsiao‐Wen Chung⁴, Nan-kuei Chen⁵, Hing-Chiu Chang^1,2

¹Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong

²Multi-Scale Medical Robotics Center, Shatin, Hong Kong

³Department of Diagnostic Radiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China

⁴Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan

⁵Biomedical Engineering, University of Arizona, Tucson, United States of America

Presenting Author: Yi Li

Synopsis

Motivation:

Goals:

Approach:

Results:

Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

References

1. Lambert J, Suchowerska N, McKenzie DR, Jackson M. Intrafractional motion during proton beam scanning. Phys Med Biol. 2005;50(20):4853-4862. doi:10.1088/0031-9155/50/20/008 [doi]

2. Yang J, Cai J, Wang H, et al. Four-dimensional magnetic resonance imaging using axial body area as respiratory surrogate: initial patient results. Int J Radiat Oncol Biol Phys. 2014;88(4):907-912. doi:10.1016/j.ijrobp.2013.11.245 [doi]

3. Cai J, Chang Z, Wang Z, Paul Segars W, Yin FF. Four-dimensional magnetic resonance imaging (4D-MRI) using image-based respiratory surrogate: a feasibility study. Med Phys. 2011;38(12):6384-6394. doi:10.1118/1.3658737 [doi]

4. Hu Y, Caruthers SD, Low DA, Parikh PJ, Mutic S. Respiratory Amplitude Guided 4-Dimensional Magnetic Resonance Imaging. International Journal of Radiation Oncology*Biology*Physics. 2013;86(1):198-204. doi:10.1016/j.ijrobp.2012.12.014 [doi]

5. Du D, Mutic S, Li HH, Hu Y. An efficient model to guide prospective T2‐weighted 4D magnetic resonance imaging acquisition. Medical Physics. 2018;45(6):2453-2462. doi:10.1002/mp.12923 [doi]

6. Liu Y, Yin FF, Czito BG, Bashir MR, Cai J. T2-weighted four dimensional magnetic resonance imaging with result-driven phase sorting. Medical Physics. 2015;42(8):4460-4471. doi:10.1118/1.4923168 [doi]

7. Liu Y, Yin FF, Chen N kuei, Chu ML, Cai J. Four dimensional magnetic resonance imaging with retrospective k-space reordering: A feasibility study. Medical Physics. 2015;42(2):534-541. doi:10.1118/1.4905044 [doi]

8. Li Y, Liang L, Chen S, et al. Robust Free-breathing Abdominal Fast Spin-Echo MRI Enabled by Improved Repeated k-t-subsampling and Artifact Minimization (iReKAM). In: Honolulu, Hawaii, USA; :4592. doi:10.58530/2025/4592 [doi]

9. Chu ML, Chang HC, Chung HW, Truong TK, Bashir MR, Chen N kuei. POCS-based reconstruction of multiplexed sensitivity encoded MRI (POCSMUSE): A general algorithm for reducing motion-related artifacts. Magn Reson Med. 2015;74(5):1336-1348. doi:10.1002/mrm.25527 [doi]

10. McGee KP, Manduca A, Felmlee JP, Riederer SJ, Ehman RL. Image metric-based correction (Autocorrection) of motion effects: Analysis of image metrics. Journal of Magnetic Resonance Imaging. 2000;11(2):174-181. doi:10.1002/(SICI)1522-2586(200002)11:2%3C174::AID-JMRI15%3E3.0.CO;2-3 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/431-02-009