ArticleStrahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]2018
Air-electron stream interactions during magnetic resonance IGRT : Skin irradiation outside the treatment field during accelerated partial breast irradiation.
Article in Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al], 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- Prone Breast Radiotherapy on the MR-Linac: A Technical Note on Skin-Couch Contact Dose Effects.Journal of medical radiation sciences · 2026Article
- Electron streaming dose measurements and calculations on a 1.5 T MR-Linac.Journal of applied clinical medical physics · 2024Article
- Review
- Adaptive radiotherapy for breast cancer.Clinical and translational radiation oncology · 2023Review
- ACPSEM position paper: the safety of magnetic resonance imaging linear accelerators.Physical and engineering sciences in medicine · 2023Article
- Electron stream effect in 0.35 Tesla magnetic resonance image guided radiotherapy for breast cancer.Frontiers in oncology · 2023Article
- Practical guidelines of online MR-guided adaptive radiotherapy.Journal of radiation research · 2022Article
- History of Technological Advancements towards MR-Linac: The Future of Image-Guided Radiotherapy.Journal of clinical medicine · 2022Review
- Towards Accurate and Precise Image-Guided Radiotherapy: Clinical Applications of the MR-Linac.Journal of clinical medicine · 2022Review
- Estimation of secondary cancer projected risk after partial breast irradiation at the 1.5 T MR-linac.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2022Article
- Characterizing magnetically focused contamination electrons by off-axis irradiation on an inline MRI-Linac.Journal of applied clinical medical physics · 2022Article
- Use of magnetic resonance image-guided radiotherapy for breast cancer: a scoping review.Journal of medical radiation sciences · 2022Article
- Dosimetric Effects of Air Cavities for MRI-Guided Online Adaptive Radiation Therapy (MRgART) of Prostate Bed after Radical Prostatectomy.Journal of clinical medicine · 2022Article
- Patient positioning and immobilization procedures for hybrid MR-Linac systems.Radiation oncology (London, England) · 2021Review
- Considerations when introducing MRI into a radiation therapy environment.Journal of medical radiation sciences · 2021Article
- Out-of-field dose assessment for a 1.5 T MR-Linac with optically stimulated luminescence dosimeters.Medical physics · 2021Article
- MRI-Guided Radiation Therapy.Advances in oncology · 2021Article
- Analysis of the electron-stream effect in patients treated with partial breast irradiation using the 1.5 T MR-linear accelerator.Clinical and translational radiation oncology · 2021Article
- Use of magnetic resonance imaging-guided radiotherapy for breast cancer: a scoping review protocol.Systematic reviews · 2021Article
- The impact of restricted length of treatment field and anthropometric factors on selection of head and neck cancer patients for treatment on the MR-Linac.The British journal of radiology · 2020Article
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Authors and funding
8 authors.
Funding
Abstract
purposeTo investigate and to prevent irradiation outside the treatment field caused by an electron stream in the air generated by the magnetic field during magnetic resonance image-guided accelerated partial breast irradiation (APBI). MATERIALS AND
methodsIn all, 20 patients who received APBI with a magnetic resonance image-guided radiation therapy (MR-IGRT) system were prospectively studied. The prescription dose was 38.5 Gy in 10 fractions of 3.85 Gy and delivered with a tri-cobalt system (the ViewRay system). For each patient, primary plans were delivered for the first five fractions and modified plans with different gantry angles from those of the primary plan (in-treatment plans) were delivered for the remaining five fractions to reduce the skin dose. A 1 cm thick bolus was placed in front of the patient's jaw, ipsilateral shoulder, and arm to shield them from the electron stream. Radiochromic EBT3 films were attached to the front (towards the breast) and back (towards the head) of the bolus during treatment. Correlations between the measured values and the tumor locations, treatment times, and tumor sizes were investigated.
resultsFor a single fraction delivery, the average areas of the measured isodoses of 14% (0.54 Gy), 12% (0.46 Gy), and 10% (0.39 Gy) at the front of the boluses were as large as 3, 10.4, and 21.4 cm
conclusionDuring radiotherapy for breast cancer with an MR-IGRT system, the patient must be shielded from electron streams in the air generated by the interaction of the magnetic field with the beams of the three-cobalt treatment unit to avoid unwanted irradiation of the skin outside the treatment field.
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