ArticleJournal of applied clinical medical physics2018
A simple technique to improve calculated skin dose accuracy in a commercial treatment planning system.
Article in Journal of applied clinical medical physics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed.
- Effect of immobilization mask and beam energy on dose coverage to small joints in treating osteoarthritis with low-dose radiation therapy.Medical physics · 2025Article
- In-vivo dosimetry with Gafchromic films for patients with sarcoma.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2025Article
- Optimum delineation of skin structure for dose calculation with the linear Boltzmann transport equation algorithm in radiotherapy treatment planning.Radiological physics and technology · 2024Article
- Evaluation of radiotherapy planning approaches for head and neck patients with tumors close to the skin surface.Journal of applied clinical medical physics · 2024Article
- Recommendations for using analytical anisotropic algorithm and AcurosXB for epidermal dose calculations in breast radiotherapy from an in vivo Gafchromic film study.Journal of applied clinical medical physics · 2024Article
- Feasibility of determining external beam radiotherapy dose using LuSy dosimeter.Journal of applied clinical medical physics · 2024Article
- Toward a Skin Dose-Area Metric Predictive of Moist Desquamation Using In Vivo Skin Dosimetry and Skin Assessments.Advances in radiation oncology · 2024Article
- Remote dose imaging from Cherenkov light using spatially resolved CT calibration in breast radiotherapy.Medical physics · 2022Article
- Pre-treatment visualization of predicted radiation-induced acute alopecia in brain tumour patients.Clinical and translational radiation oncology · 2022Article
- A pilot study of a novel method to visualize three-dimensional dose distribution on skin surface images to evaluate radiation dermatitis.Scientific reports · 2022Article
- Verification of Surface Dose for Flattening Filter and Flattening Filter Free Beams in Beam-Matched Medical Linear Accelerators.Asian Pacific journal of cancer prevention : APJCP · 2021Article
- Dosimetric characterization of a body-conforming radiochromic sheet.Journal of applied clinical medical physics · 2020Article
- Dosimetric Predictors of Acute and Chronic Alopecia in Primary Brain Cancer Patients Treated With Volumetric Modulated Arc Therapy.Frontiers in oncology · 2020Article
- Impact of Magnetic Field on Dose Distribution in MR-Guided Radiotherapy of Head and Neck Cancer.Frontiers in oncology · 2020Article
- A simple method to account for skin dose enhancement during treatment planning of VMAT treatments of patients in contact with immobilization equipment.Journal of applied clinical medical physics · 2018Article
- Dose Calculation Comparisons between Three Modern Treatment Planning Systems.Journal of medical physicsArticle
- Increase in Superficial Dose in Whole-Breast Irradiation With Halcyon Straight-Through Linac Compared With Traditional C-arm Linac With Flattening Filter: In vivo Dosimetry and Planning Study.Advances in radiation oncologyArticle
- Verification of Treatment Planning Algorithms Using Optically Stimulated Luminescent Dosimeters in a Breast Phantom.Journal of medical physicsArticle
- Dose distribution comparison in volumetric-modulated arc therapy plans for head and neck cancers with and without an external body contour extended technique.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation OncologyArticle
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Abstract
Radiation dermatitis during radiotherapy is correlated with skin dose and is a common clinical problem for head and neck and thoracic cancer patients. Therefore, accurate prediction of skin dose during treatment planning is clinically important. The objective of this study is to evaluate the accuracy of skin dose calculated by a commercial treatment planning system (TPS). We evaluated the accuracy of skin dose calculations by the anisotropic analytical algorithm (AAA) implemented in Varian Eclipse (V.11) system. Skin dose is calculated as mean dose to a contoured structure of 0.5 cm thickness from the surface. The EGSnrc Monte Carlo (MC) simulations are utilized for the evaluation. The 6, 10 and 15 MV photon beams investigated are from a Varian TrueBeam linear accelerator. The accuracy of the MC dose calculations was validated by phantom measurements with optically stimulated luminescence detectors. The calculation accuracy of patient skin doses is studied by using CT based radiotherapy treatment plans including 3D conformal, static gantry IMRT, and VMAT treatment techniques. Results show the Varian Eclipse system underestimates skin doses by up to 14% of prescription dose for the patients studied when external body contour starts at the patient's skin. The external body contour is used in a treatment planning system to calculate dose distributions. The calculation accuracy of skin dose with Eclipse can be considerably improved to within 4% of target dose by extending the external body contour by 1 to 2 cm from the patient's skin. Dose delivered to deeper target volumes or organs at risk are not affected. Although Eclipse treatment planning system has its limitations in predicting patient skin dose, this study shows the calculation accuracy can be considerably improved to an acceptable level by extending the external body contour without affecting the dose calculation accuracy to the treatment target and internal organs at risk. This is achieved by moving the calculation entry point away from the skin.
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