462-05-006 ISMRM Abstract

3DLift: True real-time 3D motion tracking robust to motion baseline drifts using deep learning on the MR-Linac

Primary: Interventional - MR-Guided Radiotherapy

Secondary: Acquisition & Reconstruction - Image Reconstruction: AI

462-05-006 · Interventional MRI: Device, Catheter Tracking, and Image-Guided Therapy · Tuesday, 12 May, 4:00 PM–4:55 PM · Digital Posters Row C

Keywords: Radiotherapy MR-Linac Radial MRI 4d mri Motion Tracking

Accepted

Aniket Pramanik ¹, Victor Murray¹, Can Wu¹, Ricardo Otazo^1,2,3

¹Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, United States of America

²Memorial Sloan Kettering Cancer Center, New York, United States of America

³Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, United States of America

Presenting Author: Aniket Pramanik

Synopsis

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References

1. Jassar H, Tai A, Chen X, Keiper TD, Paulson E, Lathuilière F, Bériault S, Hébert F, Savard L, Cooper DT, Cloake S, Li XA. Real-time motion monitoring using orthogonal cine MRI during MR-guided adaptive radiation therapy for abdominal tumors on 1.5T MR-Linac. Med Phys. 2023 May;50(5):3103-3116. doi: 10.1002/mp.16342. Epub 2023 Mar 16. PMID: 36893292. [doi] [pmid]

2. Borman PTS, Uijtewaal P, Snyder J, Allen B, Atienza CK, Woodhead P, Hyer DE, Raaymakers BW, Fast MF. Demonstration of motion-compensated volumetric modulated arc radiotherapy on an MR-linac. Phys Imaging Radiat Oncol. 2025 Feb 15;33:100729. doi: 10.1016/j.phro.2025.100729. PMID: 40046572; PMCID: PMC11880728. [doi] [pmid]

3. Siddiq S, Murray V, Tyagi N, Borman P, Gui C, Crane C, Wu C, Otazo R. MR signature matching (MRSIGMA) implementation for true real-time free-breathing volumetric imaging with sub-200 ms latency on an MR-Linac. Magn Reson Med. 2024 Sep;92(3):1162-1176. doi: 10.1002/mrm.30097. Epub 2024 Apr 4. PMID: 38576131; PMCID: PMC11209806. [doi] [pmid]

4. Ruan D, Fessler JA, Balter JM, Keall PJ. Real-time profiling of respiratory motion: baseline drift, frequency variation and fundamental pattern change. Phys Med Biol. 2009 Aug 7;54(15):4777-92. doi: 10.1088/0031-9155/54/15/009. Epub 2009 Jul 22. PMID: 19622852. [doi] [pmid]

5. Huttinga NRF, Bruijnen T, Van Den Berg CAT, Sbrizzi A. Real-Time Non-Rigid 3D Respiratory Motion Estimation for MR-Guided Radiotherapy Using MR-MOTUS. IEEE Trans Med Imaging. 2022 Feb;41(2):332-346. doi: 10.1109/TMI.2021.3112818. Epub 2022 Feb 2. PMID: 34520351. [doi] [pmid]

6. 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 Feb;75(2):775-88. doi: 10.1002/mrm.25665. Epub 2015 Mar 25. PMID: 25809847; PMCID: PMC4583338. [doi] [pmid]

7. Murray V, Siddiq S, Crane C, El Homsi M, Kim TH, Wu C, Otazo R. Movienet: Deep space-time-coil reconstruction network without k-space data consistency for fast motion-resolved 4D MRI. Magn Reson Med. 2024 Feb;91(2):600-614. doi: 10.1002/mrm.29892. Epub 2023 Oct 17. PMID: 37849064; PMCID: PMC10842259. [doi] [pmid]

8. G. Lin, A. Milan, C. Shen and I. Reid, "RefineNet: Multi-path Refinement Networks for High-Resolution Semantic Segmentation," 2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Honolulu, HI, USA, 2017, pp. 5168-5177, doi: 10.1109/CVPR.2017.549. [doi]

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http://echo.ismrm.org/p/ISMRM2026/462-05-006