Beam characterization of 10-MV photon beam from medical linear accelerator without flattening filter [PDF]
Journal of Medical Physics, 2017 Aim: This work investigated the dosimetric properties of a 10-MV photon beam emitted from a medical linear accelerator (linac) with no flattening filter (FF).
Tomohiro Shimozato +3 more
doaj +3 more sources
Secondary malignancy risk for patients with localized prostate cancer after intensity-modulated radiotherapy with and without flattening filter. [PDF]
J Appl Clin Med Phys, 2020 Men treated for localized prostate cancer by radiotherapy have often a remaining life span of 10 yr or more. Therefore, the risk for secondary malignancies should be taken into account. Plans for ten patients were evaluated which had been performed on an
Treutwein M +4 more
europepmc +6 more sources
Comparative investigation of beam quality index Q on flattening filter and flattening filter free 6 and 15 MV photon beams of an medical linear accelerator [PDF]
Current Directions in Biomedical Engineering, 2017 An Elekta Synergy LINAC was used to investigate the beam quality index Q and the beam quality correction factor kQ, which is used for absolute dosimetry, in off-axis photon fields.
Schaks Michael +5 more
doaj +7 more sources
Dose to contralateral breast from whole breast irradiation by automated tangential IMRT planning: comparison of flattening-filter and flattening-filter-free modes. [PDF]
Rep Pract Oncol Radiother, 2022 Background: The most common secondary cancer is contralateral breast (CLB) cancer after whole breast irradiation (WBI). The aim of this study was to quantify the reduction of CLB dose in tangential intensity modulated radiotherapy (t-IMRT) for WBI using ...
Ogino I, Seto H, Shigenaga D, Hata M.
europepmc +5 more sources
Conformal Flattening ITK Filter [PDF]
The Insight Journal, 2006 This paper describes the Insight Toolkit (ITK) Conformal Flattening filter: itkConformalFlatteningFilter. This ITK filter is an implementation of a paper by Sigurd Angenent, et al., “On the Laplace-Beltrami Operator and Brain Surface Flattening”. This filter performs an angle preserving map of any genus zero (i.e.
Yi Gao +3 more
openaire +2 more sources
Stereotactic Radiotherapy for Non-small Cell Lung Cancer with Small Lesions Applying A Flattening Filter Free Clinac [PDF]
Chinese Journal of Lung Cancer, 2015 Background and objective With the rapid development of technology, stereotactic radiotherapy has been widely used. In a cohort of medically operable non-small cell lung cancer patients receiving stereotactic body radiation therapy (SBRT) survival rates ...
Jianhao GENG +4 more
doaj +2 more sources
Comparative analysis of melatonin’s protective role against flattening filter and flattening filter-free X-ray induced nephropathy: focus on apoptosis and SIRT1 modulation [PDF]
BMC NephrologyBackground Radiation-induced nephropathy is a major concern, particularly for patients undergoing radiotherapy. This study investigates melatonin’s (MEL) protective effects against kidney damage induced by Flattening Filter (low dose rate-LDR) and ...
Kubra Sevgin +5 more
doaj +2 more sources
Dosimetric differences in flattened and flattening filter-free beam treatment plans
Journal of Medical Physics, 2016 This study investigated the dosimetric differences in treatment plans from flattened and flattening filter-free (FFF) beams from the TrueBeam System. A total of 104 treatment plans with static (sliding window) intensity-modulated radiotherapy beams and ...
Yue Yan +6 more
doaj +3 more sources
Evaluation of Ion Recombination Correction for Indigenously Developed Farmer Ion Chamber in Flattening Filter-Free Photon Beams [PDF]
Journal of Medical PhysicsPurpose and Aim: Modern generation linear accelerator (linac) either generates X-rays with a flattening filter (WFF beam) or without flattening filter free (FFF beam).
Parimal T. Patwe +2 more
doaj +2 more sources
Dosimetric and Biologic Differences in Flattened and Flattening-Filter-Free Beam Treatment Plans [PDF]
, 2015 Purpose: To quantitatively compare the dosimetric and biologic differences in treatment plans from flattened and flattening-filter-free (FFF) beam for three anatomic cancer sites. Methods and Materials: Treatment plans with static intensity-modulated radiotherapy beams and volumetric modulated arc therapy beams were generated for 13 patients for both ...
Yue Yan +6 more
openalex +3 more sources