ArticlePhysics and imaging in radiation oncology2022
A margin recipe for the management of intra-fraction target motion in radiotherapy.
Article in Physics and imaging in radiation oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Cone beam computed tomography guided online adaptive radiotherapy for cervical Cancer: Two-year single-Centre implementation and clinical experience.Technical innovations & patient support in radiation oncology · 2026Article
- Dosimetric robustness of urethra sparing in ultrahypofractionated prostate SBRT using catheter-based motion tracking.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2026Article
- Robustness of Tumor Control Against Intrafraction Patient Motion in Lung Stereotactic Body Radiation Therapy.Advances in radiation oncology · 2026Article
- D-S-Net: an efficient dual-stage strategy for high-precision segmentation of gross tumor volumes in lung cancer CT images.BMC cancer · 2025Article
- From standardized to individualized margins for online adaptive tumor dose escalation in rectal cancer.Radiation oncology (London, England) · 2025Article
- Prostate motion in magnetic resonance imaging-guided radiotherapy and its impact on margins.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2025Article
- Efficacy of a thermoplastic mask and pneumatic abdominal compression device for immobilization in stereotactic ablative radiotherapy of spine metastases.Journal of applied clinical medical physics · 2025Article
- Intrafraction motion and impact of margin reduction for MR-Linac online adaptive radiotherapy for pancreatic cancer treatments.Journal of medical radiation sciences · 2025Article
- Accuracy-dependent dose-constraints and dose-based safety margins for organs-at-risk in radiotherapy.Physics and imaging in radiation oncology · 2025Article
- Setup and intra-fractional motion measurements using surface scanning in head and neck cancer radiotherapy- A feasibility study.Physics and imaging in radiation oncology · 2024Article
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5 authors.
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Abstract
Background and purpose: Strategies to limit the impact of intra-fraction motion during treatment are common in radiotherapy. Margin recipes, however, are not designed to incorporate these strategies. This work aimed to provide a framework to determine how motion management strategies influence treatment margins. Materials and methods: Two models of intra-fraction motion were considered. In model 1 motion was instantaneous, before treatment starts and in model 2 motion was a continuous drift during treatment. Motion management strategies were modelled by truncating the underlying error distribution at Results: The required margin for a continuous drift was found to be well approximated by an average position of the target at ¾ of the drift. Introducing a truncation at Conclusion: Treatment margins can be determined when motion management strategies are applied. Moreover, our analysis can be used to study the potential benefit of different motion management strategies. This allows to discuss and determine the most appropriate strategy for margin reduction.
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