| Adaptive radiotherapy for prostate cancer using kilovoltage cone-beam computed tomography: first clinical results J Nijkamp, FJ Pos, TT Nuver, R De Jong, P Remeijer, JJ Sonke, ... International Journal of Radiation Oncology* Biology* Physics 70 (1), 75-82, 2008 | 284 | 2008 |
| Radiation pneumonitis in patients treated for malignant pulmonary lesions with hypofractionated radiation therapy GR Borst, M Ishikawa, J Nijkamp, M Hauptmann, H Shirato, R Onimaru, ... Radiotherapy and Oncology 91 (3), 307-313, 2009 | 160 | 2009 |
| Radiation pneumonitis in patients treated for malignant pulmonary lesions with hypofractionated radiation therapy GR Borst, M Ishikawa, J Nijkamp, M Hauptmann, H Shirato, R Onimaru, ... Radiotherapy and Oncology 91 (3), 307-313, 2009 | 160 | 2009 |
| Breast patient setup error assessment: comparison of electronic portal image devices and cone-beam computed tomography matching results R Topolnjak, JJ Sonke, J Nijkamp, C Rasch, D Minkema, P Remeijer, ... International Journal of Radiation Oncology* Biology* Physics 78 (4), 1235-1243, 2010 | 144 | 2010 |
| 3D in vivo dose verification of entire hypo-fractionated IMRT treatments using an EPID and cone-beam CT LN McDermott, M Wendling, J Nijkamp, A Mans, JJ Sonke, BJ Mijnheer, ... Radiotherapy and oncology 86 (1), 35-42, 2008 | 112 | 2008 |
| Prospective randomized double-blind pilot study of site-specific consensus atlas implementation for rectal cancer target volume delineation in the cooperative group setting CD Fuller, J Nijkamp, JC Duppen, CRN Rasch, CR Thomas Jr, SJ Wang, ... International Journal of Radiation Oncology* Biology* Physics 79 (2), 481-489, 2011 | 100 | 2011 |
| Three-dimensional analysis of recurrence patterns in rectal cancer: the cranial border in hypofractionated preoperative radiotherapy can be lowered J Nijkamp, M Kusters, RGH Beets-Tan, H Martijn, GL Beets, ... International Journal of Radiation Oncology* Biology* Physics 80 (1), 103-110, 2011 | 95 | 2011 |
| Radiation pneumonitis after hypofractionated radiotherapy: evaluation of the LQ (L) model and different dose parameters GR Borst, M Ishikawa, J Nijkamp, M Hauptmann, H Shirato, G Bengua, ... International Journal of Radiation Oncology* Biology* Physics 77 (5), 1596-1603, 2010 | 86 | 2010 |
| Acute esophagus toxicity in lung cancer patients after intensity modulated radiation therapy and concurrent chemotherapy M Kwint, W Uyterlinde, J Nijkamp, C Chen, J de Bois, JJ Sonke, ... International Journal of Radiation Oncology* Biology* Physics 84 (2), e223-e228, 2012 | 82 | 2012 |
| Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands J Nijkamp, DFM de Haas-Kock, JC Beukema, KJ Neelis, D Woutersen, ... Radiotherapy and Oncology 102 (1), 14-21, 2012 | 80 | 2012 |
| Target volume shape variation during hypo-fractionated preoperative irradiation of rectal cancer patients J Nijkamp, R de Jong, JJ Sonke, P Remeijer, C van Vliet, C Marijnen Radiotherapy and Oncology 92 (2), 202-209, 2009 | 77 | 2009 |
| Interobserver variation of clinical target volume delineation in gastric cancer EPM Jansen, J Nijkamp, M Gubanski, PARM Lind, M Verheij International Journal of Radiation Oncology* Biology* Physics 77 (4), 1166-1170, 2010 | 68 | 2010 |
| Strategies for online organ motion correction for intensity-modulated radiotherapy of prostate cancer: prostate, rectum, and bladder dose effects EJ Rijkhorst, A Lakeman, J Nijkamp, J de Bois, M van Herk, JV Lebesque, ... International Journal of Radiation Oncology* Biology* Physics 75 (4), 1254-1260, 2009 | 64 | 2009 |
| Bowel exposure in rectal cancer IMRT using prone, supine, or a belly board J Nijkamp, B Doodeman, C Marijnen, A Vincent, ... Radiotherapy and Oncology 102 (1), 22-29, 2012 | 60 | 2012 |
| Target volume shape variation during irradiation of rectal cancer patients in supine position: comparison with prone position J Nijkamp, R de Jong, JJ Sonke, C van Vliet, C Marijnen Radiotherapy and Oncology 93 (2), 285-292, 2009 | 59 | 2009 |
| Comparing different CT, PET and MRI multi-modality image combinations for deep learning-based head and neck tumor segmentation J Ren, JG Eriksen, J Nijkamp, SS Korreman Acta Oncologica 60 (11), 1399-1406, 2021 | 57 | 2021 |
| Relating acute esophagitis to radiotherapy dose using FDG-PET in concurrent chemo-radiotherapy for locally advanced non-small cell lung cancer J Nijkamp, M Rossi, J Lebesque, J Belderbos, M van den Heuvel, M Kwint, ... Radiotherapy and Oncology 106 (1), 118-123, 2013 | 56 | 2013 |
| Image-guided radiotherapy for left-sided breast cancer patients: geometrical uncertainty of the heart R Topolnjak, GR Borst, J Nijkamp, JJ Sonke International Journal of Radiation Oncology* Biology* Physics 82 (4), e647-e655, 2012 | 52 | 2012 |
| Repeat CT assessed CTV variation and PTV margins for short-and long-course pre-operative RT of rectal cancer J Nijkamp, M Swellengrebel, B Hollmann, R de Jong, C Marijnen, ... Radiotherapy and Oncology 102 (3), 399-405, 2012 | 52 | 2012 |
| Comparative study of respiratory motion correction techniques in cone-beam computed tomography S Rit, J Nijkamp, M van Herk, JJ Sonke Radiotherapy and oncology 100 (3), 356-359, 2011 | 52 | 2011 |
