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Cooke S, de Ruysscher D, Reymen B, Lambrecht M, Persson GF, Faivre-Finn C, Dieleman E, van Diessen J, Damen E, Sikorska K, Belderbos J, Sonke J. Whole Tumor vs. FDG-Directed Dose Escalation in Patients with Locally Advanced NSCLC: Evaluation of Isotoxic Treatment Plans from the Randomized ARTFORCE PET-Boost Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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van Rossum P, Stam B, Juan-Cruz C, Rossi M, Belderbos J, Sonke J. Severe Radiation-Induced Lymphopenia during Concurrent Chemoradiotherapy for Lung Cancer: External Validation of Two Prediction Models. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Billingy N, Tromp V, Becker A, Hoek R, Aaronson N, Bogaard HJ, Hugtenburg J, Onwuteaka-Philipsen B, Van De Poll-Franse L, Belderbos J, Van den Hurk C, Walraven I. CN1 Patient-reported symptom monitoring improves health-related quality of life in lung cancer patients: The SYMPRO-Lung trial. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Sonke J, Deasy J, Belderbos J, de Jong M. PO-1761 Isotoxic temporal modulation of fraction size in conventional radiotherapy. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03725-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hendriks L, Keek S, Chatterjee A, Belderbos J, Bootsma G, van den Borne B, Dingemans AM, Gietema H, Groen H, Herder G, Pitz C, Praag J, De Ruysscher D, Schoenmaekers J, Smit H, Stigt J, Westenend M, Zeng H, Woodruff H, Lambin P. 127P Does radiomics have added value in predicting the development of brain metastases in patients with radically treated stage III non-small cell lung cancer (NSCLC)? Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.02.156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Almahariq M, Parzen J, Quinn T, Lee K, Guckenberger M, Klement R, Belderbos J, Sonke J, Hope A, Giuliani M, Werner-Wasik M, Ye H, Grills I. Stereotactic Body Radiotherapy (SBRT) With Biologically Equivalent Dose > 150 Gy is Associated With Improved Local Control in Patients With Squamous but not Non-Squamous Cell Carcinoma of the Lung: A Multi-Institutional Analysis. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Brown S, Beasley M, Aznar MC, Belderbos J, Chuter R, Cobben D, Faivre-Finn C, Franks K, Henry A, Murray L, Price G, van Herk M. The Impact of Intra-thoracic Anatomical Changes upon the Delivery of Lung Stereotactic Ablative Radiotherapy. Clin Oncol (R Coll Radiol) 2021; 33:e413-e421. [PMID: 34001380 DOI: 10.1016/j.clon.2021.04.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/29/2021] [Accepted: 04/21/2021] [Indexed: 12/25/2022]
Abstract
AIMS So far, the impact of intra-thoracic anatomical changes (ITACs) on patients treated with stereotactic ablative radiotherapy (SABR) for early-stage non-small cell lung cancer is unknown. Studying these is important, as ITACs have the potential to impact the workflow and reduce treatment quality. The aim of this study was to assess and categorise ITACs, as detected on cone beam computed tomography scans (CBCT), and their subsequent impact upon treatment in lung cancer patients treated with SABR. MATERIALS AND METHODS CBCTs from 100 patients treated with SABR for early non-small cell lung cancer were retrospectively reviewed. The presence of the following ITACs was assessed: atelectasis, infiltrative change, pleural effusion, baseline shift and gross tumour volume (GTV) increase and decrease. ITACs were graded using a traffic light protocol. This was adapted from a tool previously developed to assesses potential target undercoverage or organ at risk overdose. The frequency of physics or clinician review was noted. A linear mixed effects model was used to assess the relationship between ITAC grade and set-up time (time from first CBCT to beam delivery). RESULTS ITACs were observed in 22% of patients. Twenty-one per cent of these were categorised as 'red', implying a risk of underdosage to the GTV. Most were 'yellow' (51%), indicating little impact upon planning target volume coverage of the GTV. Physics or clinician review was required in 10% of all treatment fractions overall. Three patients needed their treatment replanned. The mixed effect model analysis showed that ITACs cause a significant prolongation of set-up time (Χ2(3) = 9.22, P = 0.02). CONCLUSION Most ITACs were minor, but associated with unplanned physics or clinician review, representing a potentially significant resource burden. ITACs also had a significant impact upon set-up time, with consequences for the wider workflow and intra-fraction motion. Detailed guidance on the management of ITACs is needed to provide support for therapeutic radiographers delivering lung SABR.
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Affiliation(s)
- S Brown
- Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; Gloucestershire Oncology Centre, Gloucestershire Hospitals NHS Foundation Trust, Cheltenham, UK.
| | - M Beasley
- Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - M C Aznar
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - J Belderbos
- Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - R Chuter
- Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - D Cobben
- Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - C Faivre-Finn
- Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - K Franks
- Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - A Henry
- Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK; Leeds Institute of Medical Research, University of Leeds, Leeds, UK
| | - L Murray
- Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK; Leeds Institute of Medical Research, University of Leeds, Leeds, UK
| | - G Price
- Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - M van Herk
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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Candiff O, Belderbos J, Damen E, Van Haaren P, Crijns W, Hol S, Paelinck L, Jaspers J, Van Kesteren Z, De Kerf G, Van Elmpt W, Ubbels J, Schagen S, De Ruysscher D, De Ruiter M. P49.01 Treatment Planning QA of Hippocampal Avoidance Prophylactic Cranial Irradiation in the Multicenter Randomized Phase III Trial (NCT01780675). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cooke S, De Ruysscher D, Reymen B, Lambrecht M, Fredberg Persson G, Faivre-Finn C, Dieleman E, Van Diessen J, Sikorska K, Lalezari F, Sonke J, Belderbos J. OA02.05 Local, Regional and Pulmonary Failures in the Randomised PET-Boost Trial for NSCLC Patients. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Van Der Bel R, Stam B, Eekhout D, Tijhuis A, Kiers K, Wortel G, Belderbos J, Jan-Jakob S, Janssen T, Damen E. OC-0199: Cardiac sparing in advanced stage NSCLC patients: at what cost? Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00223-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Juan-Cruz C, Stam B, Belderbos J, Sonke J. PH-0284: Dose-effect relation for rib fractures after lung SBRT: Planned vs. delivered dose. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00308-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mercieca S, Pan S, Belderbos J, Salem A, Tenant S, Aznar MC, Woolf D, Radhakrishna G, van Herk M. Impact of Peer Review in Reducing Uncertainty in the Definition of the Lung Target Volume Among Trainee Oncologists. Clin Oncol (R Coll Radiol) 2020; 32:363-372. [PMID: 32033892 DOI: 10.1016/j.clon.2020.01.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 11/06/2019] [Accepted: 12/04/2019] [Indexed: 12/25/2022]
Abstract
AIMS To evaluate the impact of peer review and contouring workshops on reducing uncertainty in target volume delineation for lung cancer radiotherapy. MATERIALS AND METHODS Data from two lung cancer target volume delineation courses were analysed. In total, 22 trainees in clinical oncology working across different UK centres attended these courses with priori experience in lung cancer radiotherapy. The courses were made up of short presentations and contouring practice sessions. The participants were divided into two groups and asked to first individually delineate (IND) and then individually peer review (IPR) the contours of another participant. The contours were discussed with an expert panel consisting of two consultant clinical oncologists and a consultant radiologist. Contours were analysed quantitatively by measuring the volume and local distance standard deviation (localSD) from the reference expert consensus contour and qualitatively through visual analysis. Feedback from the participants was obtained using a questionnaire. RESULTS All participants applied minor editing to the contours during IPR, leading to a non-statistically significant reduction in the mean delineated volume (IND = 140.92 cm3, IPR = 125.26 cm3, P = 0.211). The overall interobserver variation was similar, with a localSD of 0.33 cm and 0.38 cm for the IND and IPR, respectively (P = 0.848). Six participants (29%) carried out correct major changes by either including tumour or excluding healthy tissue. One participant (5%) carried out an incorrect edit by excluding parts of the tumour, while another observer failed to identify a major contour error. The participants' level of confidence in target volume delineation increased following the course and identified the discussions with the radiologist and colleagues as the most important highlights of the course. CONCLUSION IPR could improve target volume delineation quality among trainee oncologists by identifying most major contour errors. However, errors were also introduced after IPR, suggesting the need to further discuss major changes with a multidisciplinary team.
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Affiliation(s)
- S Mercieca
- Faculty of Health Science, University of Malta, Msida, Malta; Faculty of Medicine (AMC), University of Amsterdam, Amsterdam, The Netherlands.
| | - S Pan
- Department of Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - J Belderbos
- Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - A Salem
- Department of Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK; University of Manchester, Manchester Academic Health Centre, The Christie NHS Foundation Trust, Manchester, UK
| | - S Tenant
- Department of Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - M C Aznar
- University of Manchester, Manchester Academic Health Centre, The Christie NHS Foundation Trust, Manchester, UK
| | - D Woolf
- Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - G Radhakrishna
- Department of Clinical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - M van Herk
- University of Manchester, Manchester Academic Health Centre, The Christie NHS Foundation Trust, Manchester, UK
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Witlox W, Ramaekers B, Joore M, Dingemans AM, Praag J, Belderbos J, Tissing-Tan C, Herder G, Haitjema T, Ubbels J, Lagerwaard J, El Sharouni S, Stigt J, Smit E, van Tinteren H, van der Noort V, Groen H, De Ruysscher D. Health-related quality of life after prophylactic cranial irradiation for stage III non-small cell lung cancer patients: Results from the NVALT-11/DLCRG-02 phase III study. Radiother Oncol 2020; 144:65-71. [DOI: 10.1016/j.radonc.2019.10.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/30/2019] [Accepted: 10/24/2019] [Indexed: 01/26/2023]
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Walraven I, Veldhuijzen E, Aerts J, Koppe F, Dieleman E, Van De Vaart P, Van Den Heuvel M, Belderbos J. P1.01-115 Long-Term Effects of Concurrent Chemoradiotherapy on Quality of Life in Locally Advanced Non-Small Cell Lung Cancer Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Witlox WJA, Ramaekers BLT, Groen HJM, Dingemans AM, Praag J, Belderbos J, van der Noort V, van Tinteren H, Joore MA, De Ruysscher DKM. Factors determining the effect of prophylactic cranial irradiation (PCI) in patients with stage-III nonsmall cell lung cancer: exploratory subgroup analyses of the NVALT-11/DLCRG-02 phase-III study. Acta Oncol 2019; 58:1528-1531. [PMID: 31256737 DOI: 10.1080/0284186x.2019.1629016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- W. J. A. Witlox
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands
| | - B. L. T. Ramaekers
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands
| | - H. J. M. Groen
- Department of Pulmonary Diseases, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - A. M. Dingemans
- Department of Pulmonology, Maastricht University Medical Center, GROW Research Institute, Maastricht, The Netherlands
| | - J. Praag
- Department of Radiation Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J. Belderbos
- Department of Radiation Oncology, Netherlands Cancer Institute (NKI), Amsterdam, The Netherlands
| | - V. van der Noort
- Department of Biometrics, Netherlands Cancer Institute (NKI), Amsterdam, The Netherlands
| | - H. van Tinteren
- Department of Biometrics, Netherlands Cancer Institute (NKI), Amsterdam, The Netherlands
| | - M. A. Joore
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
| | - D. K. M. De Ruysscher
- Department of Radiation Oncology (Maastro clinic), Maastricht University Medical Center, GROW Research Institute, Maastricht, The Netherlands
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Mercieca S, Belderbos J, Gilson D, Dickson J, Pan S, van Herk M. Implementing the Royal College of Radiologists' Radiotherapy Target Volume Definition and Peer Review Guidelines: More Still To Do? Clin Oncol (R Coll Radiol) 2019; 31:706-710. [DOI: 10.1016/j.clon.2019.07.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/24/2019] [Accepted: 07/29/2019] [Indexed: 12/25/2022]
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Veldhuijzen E, Walraven I, Kwint M, Roose L, Belderbos J, Janssen T. MA08.07 The Concordance Between Patient Reported Outcomes and Clinician Reported Outcomes During Radiotherapy in Lung Cancer Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Van Der Voort Van Zyp N, Hashimzadah M, Kouwenhoven E, Maas K, Oosterhuis W, Walraven I, Belderbos J, Mast M. P1.18-18 Feasibility of Hypofractionated Chemoradiation for Patients with Stage III Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Belderbos J, van der Woude L, van Bockel L, DeJaeger K, Koppe F, Pomp J, Spoelstra F, Tissing-Tan C, Vonk E, Voort van Zyp N, van Der Wel A, Wijsman R, Dielwart M, Coremans I, Knol H, Kolff W, Reymen B, Schinagl D, Ubbels J, Wiegman E. The Dutch Lung Cancer Audit-Radiotherapy (DLCA-R): Real-World Data on Elderly Stage III Non-Small Cell Lung Cancer Treated with Definitive Chemoradiation. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Stam B, Thor M, Deasy J, Rimner A, Belderbos J, Sonke J. Building and Validating a Cardiac Dose Model for Overall Survival in Early Stage Lung Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Belderbos J, de Ruysscher D, DeJaeger K, Lievens Y, Koppe F, Lambrecht M, Dieleman E, Jaspers J, Van Meerbeeck J, Ubbels F, Kwint M, Muller P, Kuenen M, Deprez S, de Ruiter M, van Tinteren H, Schagen S. The Incidence and Location of Brain Metastases Following HA-PCI Compared with Standard PCI in Small Cell Lung Cancer (SCLC) : A Phase III Trial. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.450] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Bartel F, Visser M, de Ruiter M, Belderbos J, Barkhof F, Vrenken H, de Munck JC, van Herk M. Non-linear registration improves statistical power to detect hippocampal atrophy in aging and dementia. Neuroimage Clin 2019; 23:101902. [PMID: 31233953 PMCID: PMC6595082 DOI: 10.1016/j.nicl.2019.101902] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 05/01/2019] [Accepted: 06/16/2019] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To compare the performance of different methods for determining hippocampal atrophy rates using longitudinal MRI scans in aging and Alzheimer's disease (AD). BACKGROUND Quantifying hippocampal atrophy caused by neurodegenerative diseases is important to follow the course of the disease. In dementia, the efficacy of new therapies can be partially assessed by measuring their effect on hippocampal atrophy. In radiotherapy, the quantification of radiation-induced hippocampal volume loss is of interest to quantify radiation damage. We evaluated plausibility, reproducibility and sensitivity of eight commonly used methods to determine hippocampal atrophy rates using test-retest scans. MATERIALS AND METHODS Manual, FSL-FIRST, FreeSurfer, multi-atlas segmentation (MALF) and non-linear registration methods (Elastix, NiftyReg, ANTs and MIRTK) were used to determine hippocampal atrophy rates on longitudinal T1-weighted MRI from the ADNI database. Appropriate parameters for the non-linear registration methods were determined using a small training dataset (N = 16) in which two-year hippocampal atrophy was measured using test-retest scans of 8 subjects with low and 8 subjects with high atrophy rates. On a larger dataset of 20 controls, 40 mild cognitive impairment (MCI) and 20 AD patients, one-year hippocampal atrophy rates were measured. A repeated measures ANOVA analysis was performed to determine differences between controls, MCI and AD patients. For each method we calculated effect sizes and the required sample sizes to detect one-year volume change between controls and MCI (NCTRL_MCI) and between controls and AD (NCTRL_AD). Finally, reproducibility of hippocampal atrophy rates was assessed using within-session rescans and expressed as an average distance measure DAve, which expresses the difference in atrophy rate, averaged over all subjects. The same DAve was used to determine the agreement between different methods. RESULTS Except for MALF, all methods detected a significant group difference between CTRL and AD, but none could find a significant difference between the CTRL and MCI. FreeSurfer and MIRTK required the lowest sample sizes (FreeSurfer: NCTRL_MCI = 115, NCTRL_AD = 17 with DAve = 3.26%; MIRTK: NCTRL_MCI = 97, NCTRL_AD = 11 with DAve = 3.76%), while ANTs was most reproducible (NCTRL_MCI = 162, NCTRL_AD = 37 with DAve = 1.06%), followed by Elastix (NCTRL_MCI = 226, NCTRL_AD = 15 with DAve = 1.78%) and NiftyReg (NCTRL_MCI = 193, NCTRL_AD = 14 with DAve = 2.11%). Manually measured hippocampal atrophy rates required largest sample sizes to detect volume change and were poorly reproduced (NCTRL_MCI = 452, NCTRL_AD = 87 with DAve = 12.39%). Atrophy rates of non-linear registration methods also agreed best with each other. DISCUSSION AND CONCLUSION Non-linear registration methods were most consistent in determining hippocampal atrophy and because of their better reproducibility, methods, such as ANTs, Elastix and NiftyReg, are preferred for determining hippocampal atrophy rates on longitudinal MRI. Since performances of non-linear registration methods are well comparable, the preferred method would mostly depend on computational efficiency.
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Affiliation(s)
- F Bartel
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands.
| | - M Visser
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands
| | - M de Ruiter
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - J Belderbos
- Department of Radiotherapy, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - F Barkhof
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands; UCL institutes of Neurology and healthcare engineering, London, United Kingdom
| | - H Vrenken
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands
| | - J C de Munck
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands
| | - M van Herk
- Manchester Cancer Research Centre, Division of Cancer Science, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Manchester, United Kingdom
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Wiersema L, Stam J, Wiersma T, Belderbos J, Licup A, Koetsveld F, Remeijer P. EP-2175 No more Lines – Omitting skin marks, safe to align with tattoo only for lung cancer patients? Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)32595-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rossi M, Fast M, Van de Lndt T, Nowee M, Belderbos J, Lalezari F, Sonke J. PO-0994 Registration accuracy of 4D-MRI in lung acquired on the MR-linac. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31414-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Takken S, Frantzen-Steneker M, Vijlbrief-Bosman T, Ter Beek L, Kwint M, Belderbos J, Van der Heide U. PO-1096 Geometrically correct MR imaging with optimal Signal to Noise Ratio for Hippocampus delineation. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31516-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Cobben D, Bainbridge H, Belderbos J, Cheung P, Dubec M, Gomez D, Gore E, Knowles E, Lalezari F, Oelfke U, Sonke J, Tijssen R, Van Es C, Van Herk M, Wetscherek A, McDonald F, Faivre-Finn C. EP-1346 A framework for systematic clinical evaluation of the MR-linac for treatment of lung cancer patients. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31766-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Witlox W, Ramaekers B, Groen H, Dingemans AM, Praag J, Belderbos J, Van der Noort V, Van Tinteren H, Joore M, De Ruysscher D. The effect of prophylactic cranial irradiation (PCI) for young stage III NSCLC patients: Subgroup analyses of the NVALT-11/DLCRG-02 study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz067.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Stam J, Gerrets S, De Haan R, Belderbos J, Damen E, Remeijer P. OC-0418 Residual misalignment of supraclavicular lymph nodes for NSCLC patients, to determine GTVPTV margin. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30838-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Adebahr S, Liu Y, Colette S, Faivre-Finn C, Ahmad S, Ahmed M, Belderbos J, Andratschke N, Franks K, Geets X, Guckenberger M, Konopa K, Lambrecht M, Lewitzki V, Lievens Y, Pourel N, De Ruysscher D, Dziadziuszko R, Fortpied C, McDonald F, Peulen H, Grosu A, Hurkmans C, Le Pechoux C, Nestle U. OC-0061 EORTC 22113-8113 Lungtech trial on SBRT of central lung tumors. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30481-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Van Diessen J, Kwint M, Sonke J, Walraven I, Stam B, De Langen J, Belderbos J. OC-0064 Reducing radiotherapy dose to involved lymph nodes in locally advanced NSCLC: efficacy and toxicity. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30484-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cobben D, Bainbridge H, Belderbos J, Cheung P, Dubec M, Gomez D, Gore E, Knowles E, Lalezari F, Oelfke U, Sonke J, Tijssen R, Van Es C, Van Herk M, Wetscherek A, Mcdonald F, Faivre-Finn C. A framework for systematic clinical evaluation of technical innovations in lung cancer patients treated on the MR-linac (MRL). Lung Cancer 2019. [DOI: 10.1016/s0169-5002(19)30184-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cobben D, Bainbridge H, Belderbos J, Cheung P, Dubec M, Gomez D, Gore E, Knowles E, Lalezari F, Oelfke U, Sonke J, Tijssen R, Van Es C, Van Herk M, Wetscherek A, Mcdonald F, Faivre-Finn C. P3.01-26 A Framework for Systematic Clinical Evaluation of Technical Innovations in Lung Cancer Patients Treated on the MR-Linac (MRL). J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kwint M, Stam B, Belderbos J, La Fontaine M, Aalbersberg E, Rossi M, Sonke J, Walraven I. P1.17-07 The Prognostic Value of Volumetric Changes of the GTV Measured on CBCT During Radiotherapy for CCRT in NSCLC Patients. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Stam B, Tijhuis A, Rossi M, Belderbos J, Sonke J. P3.16-17 Cardiac Sparing in Stereotactic Body Radiotherapy of Early Stage NSCLC Patients. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Bartel F, van Herk M, Vrenken H, Vandaele F, Sunaert S, de Jaeger K, Dollekamp NJ, Carbaat C, Lamers E, Dieleman EMT, Lievens Y, de Ruysscher D, Schagen SB, de Ruiter MB, de Munck JC, Belderbos J. Inter-observer variation of hippocampus delineation in hippocampal avoidance prophylactic cranial irradiation. Clin Transl Oncol 2018; 21:178-186. [PMID: 29876759 DOI: 10.1007/s12094-018-1903-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/24/2018] [Indexed: 01/22/2023]
Abstract
BACKGROUND Hippocampal avoidance prophylactic cranial irradiation (HA-PCI) techniques have been developed to reduce radiation damage to the hippocampus. An inter-observer hippocampus delineation analysis was performed and the influence of the delineation variability on dose to the hippocampus was studied. MATERIALS AND METHODS For five patients, seven observers delineated both hippocampi on brain MRI. The intra-class correlation (ICC) with absolute agreement and the generalized conformity index (CIgen) were computed. Median surfaces over all observers' delineations were created for each patient and regional outlining differences were analysed. HA-PCI dose plans were made from the median surfaces and we investigated whether dose constraints in the hippocampus could be met for all delineations. RESULTS The ICC for the left and right hippocampus was 0.56 and 0.69, respectively, while the CIgen ranged from 0.55 to 0.70. The posterior and anterior-medial hippocampal regions had most variation with SDs ranging from approximately 1 to 2.5 mm. The mean dose (Dmean) constraint was met for all delineations, but for the dose received by 1% of the hippocampal volume (D1%) violations were observed. CONCLUSION The relatively low ICC and CIgen indicate that delineation variability among observers for both left and right hippocampus was large. The posterior and anterior-medial border have the largest delineation inaccuracy. The hippocampus Dmean constraint was not violated.
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Affiliation(s)
- F Bartel
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - M van Herk
- Department of Cancer Sciences, University of Manchester, Manchester, UK
| | - H Vrenken
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - F Vandaele
- Department of Radiotherapy, Iridium Cancer Network, Antwerp, Belgium
| | - S Sunaert
- Department of Radiology, University Hospitals Leuven, Louvain, Belgium
| | - K de Jaeger
- Department of Radiotherapy, Catharina Hospital, Eindhoven, The Netherlands
| | - N J Dollekamp
- Department of Radiotherapy, The University Medical Center Groningen, Groningen, The Netherlands
| | - C Carbaat
- Department of Radiotherapy, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - E Lamers
- Department of Radiotherapy, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - E M T Dieleman
- Department of Radiotherapy, Academic Medical Center, Amsterdam, The Netherlands
| | - Y Lievens
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - D de Ruysscher
- Department of Radiotherapy, Maastricht University Medical Center, Maastricht, The Netherlands
| | - S B Schagen
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - M B de Ruiter
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - J C de Munck
- Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - J Belderbos
- Department of Radiotherapy, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands.
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La Fontaine M, Defraene G, Van Diessen J, Van Kranen S, Reymen B, De Ruysscher D, Belderbos J, Sonke J. PO-0975: Relationship of dose, FDG PET, CT lung response imaging, and radiation pneumonitis in NSCLC patients. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31285-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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De Ruysscher D, Dingemans A, Praag J, Belderbos J, Tissing-Tan C, Herder G, Haitjema T, Ubbels F, Lagerwaard F, Stigt J, Smit E, Van Tinteren H, Van der Noort V, Groen H. EP-1366: Different toxicity rating patients and physicians in randomized phase III PCI vs obs stage III NSCLC. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31675-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bartel F, Van Herk M, Vrenken H, Vandaele F, Sunaert S, De Jaeger K, Dollekamp N, Carbaat C, Lamers E, Dieleman E, Lievens Y, De Ruysscher D, Schagen S, De Ruiter M, De Munck J, Belderbos J. PO-0748: Inter-observer delineation variation and dose to hippocampus in hippocampus avoidance PCI. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31058-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Belderbos J. SP-0552: Against the motion: Treatment intensification in stage III NSCLC is a dream rather than a reality? Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30862-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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La Fontaine M, Bruin N, Van Kranen S, Vogel W, Knegjens J, Belderbos J, Van de Kamer J, Sonke J. OC-0179: Weekly, early assessment trends of FDG PET metrics and their relation to overall survival. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30489-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Stam B, Rossi M, Belderbos J, Sonke J. OC-0497: Dose-effect relation of heart dose and Overall Survival in stage I-III NSCLC patients. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30807-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Guckenberger M, Sweeney R, Hawkins M, Belderbos J, Andratschke N, Ahmed M, Madani I, Mantel F, Steigerwald S, Flentje M. PV-0475: Stereotactic Body Radiation Therapy For Painful Spinal Metastases - Results Of A Phase 2 Study. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30785-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Peulen H, Sonke J, Van Werkhoven E, Werner-Wasik M, Grills I, Giuliani M, Hope A, Mantel F, Guckenberger M, Belderbos J. PV-0042: SBRT for peripheral lung tumors >5 cm: first results of the multicenter phase I/II VOLUMES trial. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30352-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Walraven I, Kwint M, Marshall S, Verheij M, Belderbos J, Janssen T. P2.14-020 Clinical Validation of NTCP-Models for Esophagus Toxicity in Non-Small Cell Lung Cancer Patients Treated with Concurrent Chemoradiation. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Giuliani M, Hope A, Guckenberger M, Mantel F, Sonke J, Peulen H, Belderbos J, Werner-Wasik M, Ye H, Grills I. MA 13.09 Toxicity and Second Primary Lung Cancers in Late Survivors Following Lung SBRT. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Grills I, Lee K, Belderbos J, Hope A, Giuliani M, Guckenberger M, Mantel F, Werner-Wasik M, Peulen H, Sonke J, Yan D, Hymas R, Caruso A, Abro N, Johnson M, Abbott E, Ye H, Welsh R. International Collaborative Propensity-Based Matched Pair Analysis of Operable Early Stage Lung Ancer Patients Treated with Stereotactic Body Radiation Therapy Compared to Resection: Differences in Recurrence and Survival with Prolonged Follow-Up. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Janssen T, Dikstaal A, Kwint M, Marshall S, Wolf A, Knegjens J, Moonen L, Belderbos J, Sonke J, Verheij M, Van Vliet-Vroegindeweij C. OC-0040: Validation of prospective electronic toxicity registration to audit dose constraints. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30484-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Belderbos J. SP-0011: The use of biomarkers for individualized treatment in NSCLC. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30455-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Defraene G, La Fontaine M, Van Kranen S, Reymen B, Belderbos J, Sonke J, De Ruysscher D. OC-0037: Low dose volume effect is a critical determinant for radiation-induced lung fibrosis. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30481-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Stam B, Peulen H, Guckenberger M, Mantel F, Hope A, Belderbos J, Grills I, Werner-Wasik M, O’Connell N, Sonke J. OC-0399: Dose to heart substructures is associated with non-cancer death after SBRT in stage I NSCLC patients. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31648-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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