ArticlePhysics and imaging in radiation oncology2024
Evaluation of a cone-beam computed tomography system calibrated for accurate radiotherapy dose calculation.
Article in Physics and imaging in radiation oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Workflow and dosimetric results for direct-to-unit single-fraction adaptive lung SBRT delivered on the ONE-STOP prospective pilot clinical trial.Clinical and translational radiation oncology · 2026Article
- Quantitative stability of CT numbers in novel cone-beam CT: An intra-institution cross-scanner and longitudinal analysis.Journal of applied clinical medical physics · 2026Article
- Towards adaptive radiotherapy: Comparing HyperSight and standard CBCT reconstructions on a C-Arm Linac.Journal of applied clinical medical physics · 2026Article
- Quantitative assessment of CBCT image quality metrics and their translation to clinical Art workflow performance in breast cancer patients.Journal of applied clinical medical physics · 2026Article
- Quantitative evaluation of radiotherapy accuracy in head and neck cancer: correcting cbct image distortions for improved tumour targeting and dose assessment.Physical and engineering sciences in medicine · 2026Article
- Evaluation of tumor localization accuracy on fast ring-gantry cone-beam computed tomography using patient-specific breathing curves and a dynamic anthropomorphic thorax phantom.Physics and imaging in radiation oncology · 2026Article
- Simulated online adaptive radiotherapy on C-arm linacs: Integrating high resolution cone-beam CT into abdominal stereotactic body radiation therapy.Journal of applied clinical medical physics · 2026Article
- First evaluation of in-patient dose calculation accuracy on a C-arm Linear Accelerator with advanced Cone-Beam computed tomography (CBCT) imaging.Physics and imaging in radiation oncology · 2026Article
- Impact of tumor motion on target delineation and dose calculation accuracy using rapid-acquisition HyperSight CBCT in online adaptive radiotherapy.Journal of applied clinical medical physics · 2026Article
- Maintaining quality of scientific peer-review and publishing inPhysics and imaging in radiation oncology · 2026Article
- Implementing a fully computed tomography-free online adaptive palliative radiotherapy: a one-visit workflow.Physics and imaging in radiation oncology · 2026Article
- Hounsfield Unit characterization and dose calculation on a C-arm linac with novel on-board cone-beam computed tomography feature and advanced reconstruction algorithms.Journal of applied clinical medical physics · 2025Article
- Localization accuracy of 6-second CBCT for lung IGRT with various breathing patterns.Journal of applied clinical medical physics · 2025Article
- Multi-institutional study on image quality for a novel CBCT solution on O-ring linac.Journal of applied clinical medical physics · 2025Article
- Dose calculation accuracy of clinical radiotherapy plans using next generation cone beam computed tomography imaging technology.Physics and imaging in radiation oncology · 2025Article
- Evaluation of artificial intelligence-based autosegmentation for a high-performance cone-beam computed tomography imaging system in the pelvic region.Physics and imaging in radiation oncology · 2025Article
- 3D gamma analysis between treatment plans for nominally beam-matched medical linear accelerators using PyMedPhys.Precision radiation oncology · 2024Article
- Personalized Ultra-Fractionated Stereotactic Adaptive Radiotherapy for Non-Small Cell Lung Cancer Using Varian Ethos Therapy System.Current oncology (Toronto, Ont.) · 2024Article
- The feasibility of CT simulation-free adaptive radiation therapy.Journal of applied clinical medical physics · 2024Article
- Optimization of Normal Tissue Objectives (NTO) in HyperArc Radiosurgery for Brain Oligometastases: A Systematic Analysis of the Trade-Offs among Dosimetric Quality, Plan Complexity, and Treatment Efficiency.Technology in cancer research & treatmentArticle
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7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and purpose: Dose calculation on cone-beam computed tomography (CBCT) images has been less accurate than on computed tomography (CT) images due to lower image quality and discrepancies in CT numbers for CBCT. As increasing interest arises in offline and online re-planning, dose calculation accuracy was evaluated for a novel CBCT imager integrated into a ring gantry treatment machine. Materials and methods: The new CBCT system allowed fast image acquisition (5.9 s) by using new hardware, including a large-size flat panel detector, and incorporated image-processing algorithms with iterative reconstruction techniques, leading to accurate CT numbers allowing dose calculation. In this study, CBCT- and CT-based dose calculations were compared based on three anthropomorphic phantoms, after CBCT-to-mass-density calibration was performed. Six plans were created on the CT scans covering various target locations and complexities, followed by CBCT to CT registrations, copying of contours, and re-calculation of the plans on the CBCT scans. Dose-volume histogram metrics for target volumes and organs-at-risk (OARs) were evaluated, and global gamma analyses were performed. Results: Target coverage differences were consistently below 1.2 %, demonstrating the agreement between CT and re-calculated CBCT dose distributions. Differences in D Conclusions: This study demonstrated comparable results between dose calculations performed on CBCT and CT acquisitions. The new CBCT system with enhanced image quality and CT number accuracy opens possibilities for off-line and on-line re-planning.
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