ArticleJournal of applied clinical medical physics2019
Evaluation of interfraction setup variations for postmastectomy radiation therapy using EPID-based in vivo dosimetry.
Article in Journal of applied clinical medical physics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- In-vivo dosimetry using electronic portal imaging in online-adaptive radiotherapy for rectal cancer.Physics and imaging in radiation oncology · 2026Article
- Quantitative evaluation of the effect of anatomical changes on the results of in vivo dosimetry during radiation therapy in the thoracic region.Journal of applied clinical medical physics · 2026Article
- Margins of Planning Target Volume and Set-up Errors based on Megavoltage Cone-Beam CT Image Guided Radiotherapy with Helical Tomotherapy: Importance of Automatic Registration Plus Manual Registration.Journal of biomedical physics & engineering · 2026Article
- Characterization of a novel large-area electronic portal imaging device system for a ring-shaped HalosTx linear accelerator in radiotherapy quality assurance.Quantitative imaging in medicine and surgery · 2026Article
- Validation of in vivo dose using EPID combined with fan-beam CT guidance in post-breast-conserving radiotherapy for early-stage breast cancer.BMC cancer · 2025Article
- Does deformation of immobilization devices impact treatment accuracy in thoracic cancer radiotherapy?Journal of applied clinical medical physics · 2025Article
- Analyzing the patient isocenter positional accuracy with portal imaging acquired at different gantry angles and its dosimetrical impact on the dose delivery for head and neck cancers.Precision radiation oncology · 2024Article
- Evaluation of initial patient setup methods for breast cancer between surface-guided radiation therapy and laser alignment based on skin marking in the Halcyon system.Radiation oncology (London, England) · 2023Article
- Comparing treatment uncertainty for ultra- vs. standard-hypofractionated breast radiation therapy based on in-vivo dosimetry.Physics and imaging in radiation oncology · 2022Article
- Improving dose delivery accuracy with EPID in vivo dosimetry: results from a multicenter study.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2021Article
- Analysis of EPID Transmission Fluence Maps Using Machine Learning Models and CNN for Identifying Position Errors in the Treatment of GO Patients.Frontiers in oncology · 2021Article
- Analyses of integrated EPID images for on-treatment quality assurance to account for interfractional variations in volumetric modulated arc therapy.Journal of applied clinical medical physics · 2020Article
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11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Postmastectomy radiation therapy is technically difficult and can be considered one of the most complex techniques concerning patient setup reproducibility. Slight patient setup variations - particularly when high-conformal treatment techniques are used - can adversely affect the accuracy of the delivered dose and the patient outcome. This research aims to investigate the inter-fraction setup variations occurring in two different scenarios of clinical practice: at the reference and at the current patient setups, when an image-guided system is used or not used, respectively. The results were used with the secondary aim of assessing the robustness of the patient setup procedure in use. Forty eight patients treated with volumetric modulated arc and intensity modulated therapies were included in this study. EPID-based in vivo dosimetry (IVD) was performed at the reference setup concomitantly with the weekly cone beam computed tomography acquisition and during the daily current setup. Three indices were analyzed: the ratio
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