ArticleJournal of applied clinical medical physics2020
Evaluation of the RUBY modular QA phantom for planar and non-coplanar VMAT and stereotactic radiations.
Article in Journal of applied clinical medical physics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- Factors influencing dose delivery in rectal cancer radiotherapy using CBCT-guided intensity modulated techniques.Radiation and environmental biophysics · 2026Article
- Commissioning and clinical positioning assessment of a novel surface-guided radiation therapy (SGRT) system at a C-Arm linear accelerator.Journal of applied clinical medical physics · 2026Article
- Clinical implementation of a multifaceted quality assurance phantom for high-precision radiation therapy: an institutional experience.Journal of the Egyptian National Cancer Institute · 2025Article
- End-to-end testing for stereotactic radiotherapy including the development of a Multi-Modality phantom.Zeitschrift fur medizinische Physik · 2024Article
- Efficient quality assurance for isocentric stability in stereotactic body radiation therapy using machine learning.Radiological physics and technology · 2024Article
- Historical Progress of Stereotactic Radiation Surgery.Journal of medical physicsReview
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThis study evaluates the clinical use of the RUBY modular QA phantom for linac QA to validate the integrity of IGRT workflows including the congruence of machine isocenter, imaging isocenter, and room lasers. The results have been benchmarked against those obtained with widely used systems. Additionally, the RUBY phantom has been implemented to perform system QA (End-to-End testing) from imaging to radiation for IGRT-based VMAT and stereotactic radiations at an Elekta Synergy linac. MATERIAL AND
methodsThe daily check of IGRT workflow was performed using the RUBY phantom, the Penta-Guide, and the STEEV phantom. Furthermore, Winston-Lutz tests was carried out with the RUBY phantom and a ball-bearing phantom to determine the offsets and the diameters of the isospheres of gantry, collimator, and couch rotations, with respect to the room lasers and kV-imaging isocenter. System QA was performed with the RUBY phantom and STEEV phantom for eight VMAT treatment plans. Additionally, the visibility of the embedded objects within these phantoms in the images and the results of CT and MR image fusions were evaluated.
resultsAll systems used for daily QA of IGRT workflows show comparable results. Calculated shifts based on CBCT imaging agree within 1 mm to the expected values. The results of the Winston-Lutz test based on kV imaging (2D planar and CBCT) or room lasers are consistent regardless of the system tested. The point dose values in the RUBY phantom agree to the expected values calculated using algorithms in Masterplan and Monte Carlo engine in Monaco within 3% of the clinical acceptance criteria.
conclusionAll the systems evaluated in this study yielded comparable results in terms of linac QA and system QA procedures. A system QA protocol has been derived using the RUBY phantom to check the IGRT-based VMAT and stereotactic radiations workflow at an Elekta Synergy linac.
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