Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
570-04-194 ISMRM Abstract

Inter-patient heterogeneity of T1 and T2 relaxation times and visibility of liver metastases treated on an MR-linac

Primary: Contrast Mechanisms - Relaxometry
Secondary: Interventional - MR-Guided Radiotherapy
570-04-194 · Quantitative and Diffusion MRI of the Liver · Wednesday, 13 May, 9:15 AM–10:10 AM · Traditional Posters | Exhibition Hall
Keywords: MR-Guided Radiotherapy MR-Linac Parameter Handling Liver metastases T1 and T2 mapping
Accepted
Osman Akdag 1, Vivian W. J. van Pelt1, Robin Navest1, Ruben Bosschaert1, Ben Neijndorff1, Marlies E Nowee1, Tomas Janssen1, Jan-Jakob Sonke1, Ulke A van der Heide1, Petra J van Houdt1
1Department of Radiation Oncology, the Netherlands Cancer Institute, Amsterdam, Netherlands
Presenting Author: Osman Akdag

Synopsis

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References

1. Peltenburg, J. E., Westley, R., Daamen, L. A., Tissier, R., Aitken, K. L., Bernchou, U., Boeke, S., Braam, P. M., Hosni, A., Intven, M. P. W., Janssen, T., Sonke, J. J., Straza, M. W., Jr, Hall, W. A., & Nowee, M. E. (2025). Liver Metastases Treated With Magnetic Resonance Imaging Guided Stereotactic Body Radiation Therapy: Outcomes of Tolerability, Acute Toxicity, and Quality of Life From the MOMENTUM Study. Practical radiation oncology, S1879-8500(25)00212-7. Advance online publication. https://doi.org/10.1016/j.prro.2025.07.006 [doi]
2. Gani, C., Boeke, S., McNair, H., Ehlers, J., Nachbar, M., Mönnich, D., Stolte, A., Boldt, J., Marks, C., Winter, J., Künzel, L. A., Gatidis, S., Bitzer, M., Thorwarth, D., & Zips, D. (2020). Marker-less online MR-guided stereotactic body radiotherapy of liver metastases at a 1.5 T MR-Linac - Feasibility, workflow data and patient acceptance. Clinical and translational radiation oncology, 26, 55–61. https://doi.org/10.1016/j.ctro.2020.11.014 [doi]
3. Romesser, P. B., Tyagi, N., & Crane, C. H. (2021). Magnetic Resonance Imaging-Guided Adaptive Radiotherapy for Colorectal Liver Metastases. Cancers, 13(7), 1636. https://doi.org/10.3390/cancers13071636 [doi]
4. van de Lindt, T. N., Fast, M. F., van Kranen, S. R., Nowee, M. E., Jansen, E. P. M., van der Heide, U. A., & Sonke, J. J. (2019). MRI-guided mid-position liver radiotherapy: Validation of image processing and registration steps. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 138, 132–140. https://doi.org/10.1016/j.radonc.2019.06.007 [doi]

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http://echo.ismrm.org/p/ISMRM2026/570-04-194