[HTML][HTML] Increase in superficial dose in whole-breast irradiation with Halcyon straight-through linac compared with traditional C-arm linac with flattening filter: in vivo …

F O'Grady, AR Barsky, S Anamalayil… - Advances in radiation …, 2020 - Elsevier
Purpose Superficial dose is an important parameter in breast cancer radiation therapy.
When treated with conventional linacs, bolus is commonly applied to improve target …

Penumbra reduction technique and factors affecting it in radiotherapy machines–Review study

A Mahmoudi, G Geraily, A Shirazi - Radiation Physics and Chemistry, 2019 - Elsevier
The fundamental principle of external beam radiation therapy is to fit the target volume with a
relatively uniform high dose area while limiting the irradiation of neighboring healthy tissues …

Monte-Carlo simulation of the Siemens Artiste linear accelerator flat 6 MV and flattening-filter-free 7 MV beam line

A Sadrollahi, F Nuesken, N Licht, C Rübe, Y Dzierma - PLoS One, 2019 - journals.plos.org
The aim of our work is to provide the up-to-now missing information on the Siemens Artiste
FFF 7 MV beam line using a Monte-Carlo model fit to the realistic dosimetric measurements …

Medical X‐band linear accelerator for high‐precision radiotherapy

YS Lee, S Kim, GJ Kim, JH Lee, IS Kim, JI Kim… - Medical …, 2021 - Wiley Online Library
Purpose Recently, high‐precision radiotherapy systems have been developed by
integrating computerized tomography or magnetic resonance imaging to enhance the …

Investigation of skin dose of post-mastectomy radiation therapy for the halcyon and tomotherapy treatment machine: Comparison of calculation and in vivo …

H Demir, OV Gul, T Aksu - Radiation Measurements, 2024 - Elsevier
In treatments such as post-mastectomy radiation therapy (PMRT) for breast cancer patients,
skin doses are of great importance in terms of tumor control and side effects. This dosimetric …

A multi‐institutional evaluation of small field output factor determination following the recommendations of IAEA/AAPM TRS‐483

W Lechner, R Alfonso, M Arib, MS Huq… - Medical …, 2022 - Wiley Online Library
Purpose The aim of this work was to test the implementation of small field dosimetry
following TRS‐483 and to develop quality assurance procedures for the experimental …

Dosimetric and Radiobiological Impact of Flattening Filter‐Free Beam and Dose Calculation Algorithm Using RapidArc Plans for Cervical Cancer Treatment

S Manna, S Singh, PK Gupta - Precision Radiation Oncology, 2023 - Wiley Online Library
Purpose The aim of this study is to quantify the potential benefits of a flattening filter‐free
(FFF) beam and implement a dose‐computation algorithm for cervical radiotherapy through …

[PDF][PDF] Clinical advantages of using unflattened 6-MV and 10-MV photon beams generated by the medical accelerator Elekta Versa HD based on their dosimetric …

B Baic, B Kozłowska, R Kwiatkowski, M Dybek - Nukleonika, 2019 - sciendo.com
Photon beams with wide energy ranges from 4 MV to 25 MV are commonly used in
radiotherapy nowadays. In recent years, there has been a strong interest in a certain …

Investigation of electron contamination on flattened and unflattened varian clinac iX 6X and 15X photon beam based on monte carlo simulation

F Haryanto, MF Rhani, C Anam, S Yani - Atom Indonesia, 2022 - atomindonesia.brin.go.id
The aim of this study was to characterize electron contamination of a flattened (FF) and an
unflattened (FFF) Varian Clinac iX 6X and 15X photon beams using Monte Carlo (MC) …

[PDF][PDF] Evaluation of the dosimetric characteristics of 10 MV flattened and unflattened photon beams in a heterogeneous phantom

S Yani, I Budiansah, SH Pratama… - … Journal of Radiation …, 2021 - researchgate.net
Background: The free flattening filter (FFF) beam can affect the characteristics of the linac
output such as the maximum dose depth, surface dose, dose in the fall-off area, and doses …