ADC measurements on the Unity MR-linac–A recommendation on behalf of the Elekta Unity MR-linac consortium ES Kooreman, PJ van Houdt, R Keesman, FJ Pos, VWJ van Pelt, ...
Radiotherapy and Oncology 153, 106-113, 2020
71 2020 Skyrmions in square-lattice antiferromagnets R Keesman, M Raaijmakers, AE Baerends, GT Barkema, RA Duine
Physical Review B 94 (5), 054402, 2016
57 2016 Degeneracies and fluctuations of Néel skyrmions in confined geometries R Keesman, AO Leonov, P van Dieten, S Buhrandt, GT Barkema, L Fritz, ...
Physical Review B 92 (13), 134405, 2015
50 2015 Integration of quantitative imaging biomarkers in clinical trials for MR-guided radiotherapy: Conceptual guidance for multicentre studies from the MR-Linac Consortium Imaging … PJ van Houdt, H Saeed, D Thorwarth, CD Fuller, WA Hall, BA McDonald, ...
European Journal of Cancer 153, 64-71, 2021
32 2021 Quantitative 3T multiparametric MRI of benign and malignant prostatic tissue in patients with and without local recurrent prostate cancer after external‐beam radiation therapy C Dinis Fernandes, PJ van Houdt, SW Heijmink, I Walraven, R Keesman, ...
Journal of Magnetic Resonance Imaging 50 (1), 269-278, 2019
27 2019 Daily Intravoxel Incoherent Motion (IVIM) in prostate cancer patients during MR-guided radiotherapy—a multicenter study ES Kooreman, PJ van Houdt, R Keesman, VWJ van Pelt, ME Nowee, ...
Frontiers in Oncology 11, 705964, 2021
26 2021 Numerical study of the model with domain-wall boundaries R Keesman, J Lamers
Physical Review E 95 (5), 052117, 2017
22 2017 Correcting geometric image distortions in slice‐based 4D‐MRI on the MR‐linac R Keesman, TN van de Lindt, C Juan‐Cruz, W van den Wollenberg, ...
Medical Physics 46 (7), 3044-3054, 2019
20 2019 Finite-size scaling at infinite-order phase transitions R Keesman, J Lamers, RA Duine, GT Barkema
Journal of Statistical Mechanics: Theory and Experiment 2016 (9), 093201, 2016
11 2016 Clinical workflow for treating patients with a metallic hip prosthesis using magnetic resonance imaging-guided radiotherapy R Keesman, E van der Bijl, TM Janssen, T Vijlbrief, FJ Pos, ...
Physics and Imaging in Radiation Oncology 15, 85-90, 2020
10 2020 Dynamical eigenmodes of a polymerized membrane R Keesman, GT Barkema, D Panja
Journal of Statistical Mechanics: Theory and Experiment 2013 (04), P04009, 2013
10 2013 Dynamical eigenmodes of star and tadpole polymers R Keesman, GT Barkema, D Panja
Journal of Statistical Mechanics: Theory and Experiment 2013 (02), P02021, 2013
10 2013 Recommendations for improved reproducibility of ADC derivation on behalf of the Elekta MRI-linac consortium image analysis working group ALH Bisgaard, R Keesman, AL van Lier, C Coolens, PJ van Houdt, A Tree, ...
Radiotherapy and Oncology 186, 109803, 2023
4 2023 Applicator visualization using ultrashort echo time MRI for high-dose-rate endorectal brachytherapy RPJ van den Ende, E Ercan, R Keesman, EM Kerkhof, CAM Marijnen, ...
Brachytherapy 19 (5), 618-623, 2020
4 2020 Néel skyrmions in confined geometries and at nonzero temperatures R Keesman, AO Leonov, S Buhrandt, GT Barkema, L Fritz, RA Duine
arXiv preprint arXiv:1506.00271, 2015
3 2015 Dynamical eigenmodes of various bead-spring systems R Keesman
1 2013 PD-0900 Treating patients with a cardiac implant on a 1.5 T MR-linac: a multi-centre experience R Keesman, E van der Bijl, L Kerkmeijer, N Tyagi, O Akdag, J Wolthaus, ...
Radiotherapy and Oncology 182, S746-S747, 2023
2023 An In-Vivo Evaluation of MRI Sequences for Online Adaptive Cardiac Radioablation in the Presence of Cardiac Implantable Devices On a 1.5 T MR-Linac O Akdag, A Van Lier, S Mandija, R Keesman, P Borman, S Van de Pol, ...
MEDICAL PHYSICS 49 (6), E176-E176, 2022
2022 PO-1754 Delineation-related ADC variation between centres in the Elekta Unity MR linac Consortium: ESTRO 2022, 6-10 May 2022, Copenhagen. Onsite in Copenhagen and Online A Bisgaard, A van Lier, C Coolens, R Keesman, A Tree, A Wetscherek, ...
Radiotherapy and Oncology 170 (Supplement 1), S1557-S1558, 2022
2022 PP-0120 Applicator visualization using ultrashort echo time MRI for HDR endorectal brachytherapy E Kerkhof, R van den Ende, E Ercan, R Keesman, C Marijnen, ...
Radiotherapy and Oncology 158, S89-S90, 2021
2021