Patient-Specific Quality Assurance in Pencil Beam Scanning by 2-Dimensional Array [PDF]
International Journal of Particle Therapy, 2023 Purpose: This study aimed to determine the characteristics of 2D ionization chamber array and the confidence limits of the gamma passing rate in pencil beam scanning proton therapy.
Nuttida Rawiwan, MSc +4 more
doaj +1 more source
Assessment of Delivery Quality Assurance for Stereotactic Radiosurgery With Cyberknife
Frontiers in Oncology, 2021 PurposeThe purpose of this study is to establish and assess a practical delivery quality assurance method for stereotactic radiosurgery with Cyberknife by analyzing the geometric and dosimetric accuracies obtained using a PTW31016 PinPoint ionization ...
Jun Li +5 more
doaj +1 more source
Frontiers in Oncology, 2023 ObjectiveThis work aims to use machine learning models to predict gamma passing rate of portal dosimetry quality assurance with log file derived features.
Kah Seng Lew +6 more
doaj +1 more source
Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes. [PDF]
PLoS ONE, 2015 To investigate the usefulness of the 3DVH software with an ArcCHECK 3D diode array detector in newly designed plans with various target sizes.The isocenter dose was measured with an ion-chamber and was compared with the planned and 3DVH predicted doses ...
Jin Ho Song +3 more
doaj +1 more source
Predictive gamma passing rate by dose uncertainty potential accumulation model [PDF]
Medical Physics, 2018 PurposeIntensity‐modulated radiation therapy (IMRT) utilizes many small fields for producing a uniform dose distribution. Therefore, there are many field junctions in the target region, and resulting dose uncertainties are accumulated. However, such accumulation of the dose uncertainty has not been implemented in the current practice of IMRT dose ...
Eiji, Shiba +9 more
openaire +2 more sources
Predicting Gamma Passing Rates for Portal Dosimetry-Based IMRT QA Using Deep Learning [PDF]
International Journal of Radiation Oncology*Biology*Physics, 2021 Purpose/Objective(s) To assess if portal dosimetry-based IMRT QA gamma passing rates can be predicted with a Convolutional Neural Network (CNN) Model trained directly on the fluence maps without any domain expert knowledge. Materials/Methods A total of 4268 beams were collected from various treatment site plans and analyzed using gamma criteria of
D.M. Fondevila +3 more
openaire +1 more source
The Effect of Total Fields' Area and Dose Distribution in Step and Shoot IMRT on Gamma Passing Rate Using OCTAVIUS 4D-1500 Detector Phantom [PDF]
Iranian Journal of Medical Physics, 2021 Introduction: Quality assurance is necessary for every IMRT plan.Octavius 4D-1500 detector phantom is one of the new phantoms for determining the treatment plan quality. This study aimed to examine the IMRT plans using the Octavius 4D-1500 to ...
Abdulrahman Abdulbaqi +5 more
doaj +1 more source
Feasibility of a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance of intensity-modulated radiotherapy. [PDF]
PLoS ONE, 2017 This study evaluated the feasibility of utilizing a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance (QA) in intensity-modulated radiotherapy (IMRT).
Ji Woon Yea +8 more
doaj +1 more source
Journal of Medical Physics, 2022 Background: Intensity-modulated radiation therapy (IMRT) may have too many peaks and valleys, making the treatment plan undeliverable. When there are too many fluency differences between adjacent pixels in the X or Y directions, the X and Y smoothing ...
Dinesh Kumar Saroj +2 more
doaj +1 more source
Development of Automated Delivery Quality Assurance Analysis Software for Helical Tomotherapy
Technology in Cancer Research & Treatment, 2023 Background To develop a fully automated in-house gamma analysis software for the “Cheese” phantom-based delivery quality assurance (QA) of helical tomotherapy plans.
YH Yoon BSc +7 more
doaj +1 more source