Clinical implementation of patient-specific quality assurance for synthetic computed tomography [PDF]
Physics and Imaging in Radiation OncologyBackground and purpose: In a magnetic resonance (MR) only planning workflow, MR image is the sole dataset acquired. In order to calculate the dose deposition, a synthetic CT (sCT) is generated to substitute the planning computed tomography (CT).
Francesca Nella +2 more
doaj +5 more sources
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 +4 more sources
Respiratory gated radiotherapy-pretreatment patient specific quality assurance
Journal of Medical Physics, 2016 Organ motions during inter-fraction and intra-fraction radiotherapy introduce errors in dose delivery, irradiating excess of normal tissue, and missing target volume. Lung and heart involuntary motions cause above inaccuracies and gated dose delivery try
Rajesh Thiyagarajan +7 more
doaj +3 more sources
National survey of patient specific IMRT quality assurance in China [PDF]
Radiation Oncology, 2019 Background To analyze and present the China’s national survey on patient-specific IMRT quality assurance (QA). Methods A national survey was conducted in all radiotherapy centers in China to collect comprehensive information on status of IMRT QA practice,
Yuxi Pan +6 more
doaj +4 more sources
A survey of practice patterns for patient-specific quality assurance on behalf of the ESTRO dosimetry & quality assurance focus group [PDF]
Physics and Imaging in Radiation OncologyBackground and purpose: As treatment planning and delivery systems nowadays have the capability to simulate and realise increasingly complex irradiation geometries, quality assurance programs need to be reviewed and extended to include appropriate ...
Stéphane Dufreneix +7 more
doaj +2 more sources
Plan Complexity Metric Based Patient Specific Quality Assurance Outcome Prediction Across Two Machines [PDF]
Journal of Medical PhysicsPurpose: This study aims to develop a prediction model for patient-specific quality assurance (PSQA) outcomes for the institution using established plan complexity metrics (PCMs) from volumetric modulated arc treatment (VMAT) plans delivered on two ...
Seeja Joseph +5 more
doaj +2 more sources
Validation of SRS MapCHECK for CyberKnife patient-specific quality assurance: challenges with small cone sizes [PDF]
Frontiers in OncologyPurposeThe CyberKnife system, designed for stereotactic radiosurgery (SRS) and stereotactic body radiotherapy (SBRT), considers SRS MapCHECK an effective tool for patient-specific QA (PSQA).
Dohyeon Yoo +7 more
doaj +2 more sources
Evaluation of Delta Anatomy in 3D Patient-Specific IMRT Quality Assurance
Technology in Cancer Research & Treatment, 2020 Purpose: To evaluate the performance of Delta 4DVH Anatomy in patient-specific intensity-modulated radiotherapy quality assurance. Materials and Methods: Dose comparisons were performed between Anatomy doses calculated with treatment plan dose measured ...
Du Tang PhD +3 more
doaj +3 more sources
Point Dosimetry in Patient-specific Quality Assurance of a Robotic Radiosurgery System Using a Scintillation Detector [PDF]
Journal of Medical PhysicsPurpose: Patient-specific quality assurance (QA) for CyberKnife is typically performed using micro ionization chambers and film dosimetry. However, micro ionization chambers tend to underestimate dose measurements in small radiation fields.
Kohei Okawa, Yoshifumi Hirota
doaj +2 more sources
A Balanced Multimodal Multi-Task Deep Learning Framework for Robust Patient-Specific Quality Assurance [PDF]
DiagnosticsBackground: Multimodal Deep learning has emerged as a crucial method for automated patient-specific quality assurance (PSQA) in radiotherapy research.
Xiaoyang Zeng +2 more
doaj +2 more sources