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Radiotherapy Setup Errors

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Development of system using beam's eye view images to measure respiratory motion tracking errors in image-guided robotic radiosurgery system.

Journal of applied clinical medical physics 25679160
The accuracy of the CyberKnife Synchrony Respiratory Tracking System (SRTS) is considered to be patient-dependent because the SRTS relies on an individual correlation between the internal tumor position (ITP) and the external marker position (EMP), a...
Aged Aged, 80 and over Algorithms Female Humans Lung Neoplasms Male Middle Aged Movement Patient Positioning Phantoms, Imaging Radiosurgery Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Radiotherapy, Image-Guided Radiotherapy, Intensity-Modulated Respiratory-Gated Imaging Techniques Robotics Software Thorax
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Robotic radiosurgery system patient-specific QA for extracranial treatments using the planar ion chamber array and the cylindrical diode array.

Journal of applied clinical medical physics 26219013
Robotic radiosurgery system has been increasingly employed for extracranial treatments. This work is aimed to study the feasibility of a cylindrical diode array and a planar ion chamber array for patient-specific QA with this robotic radiosurgery sys...
Algorithms Humans Lung Neoplasms Monte Carlo Method Phantoms, Imaging Quality Assurance, Health Care Radiometry Radiosurgery Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Radiotherapy, Intensity-Modulated Robotics
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Accuracy of Robotic Radiosurgical Liver Treatment Throughout the Respiratory Cycle.

International journal of radiation oncology, biology, physics 26530762
PURPOSE: To quantify random uncertainties in robotic radiosurgical treatment of liver lesions with real-time respiratory motion management.
Aged Aged, 80 and over Dose Fractionation, Radiation Female Fiducial Markers Humans Linear Models Liver Neoplasms Male Middle Aged Movement Particle Accelerators Radiography Radiosurgery Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Respiration Retrospective Studies Robotics Uncertainty
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Adaptive optimization by 6 DOF robotic couch in prostate volumetric IMRT treatment: rototranslational shift and dosimetric consequences.

Journal of applied clinical medical physics 26699314
The purpose of this study was to investigate the magnitude and dosimetric relevance of translational and rotational shifts on IGRT prostate volumetric-modulated arc therapy (VMAT) using Protura six degrees of freedom (DOF) Robotic Patient Positioning...
Beds Humans Male Movement Patient Positioning Prostatic Neoplasms Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Radiotherapy, Intensity-Modulated Robotics Rotation
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Deep learning for patient-specific quality assurance: Identifying errors in radiotherapy delivery by radiomic analysis of gamma images with convolutional neural networks.

Medical physics 30548601
PURPOSE: Patient-specific quality assurance (QA) for intensity-modulated radiation therapy (IMRT) is a ubiquitous clinical procedure, but conventional methods have often been criticized as being insensitive to errors or less effective than other comm...
Deep Learning Humans Image Processing, Computer-Assisted Neoplasms Quality Control Radionuclide Imaging Radiotherapy Setup Errors Radiotherapy, Intensity-Modulated
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Development and Validation of a Bayesian Network Method to Detect External Beam Radiation Therapy Physician Order Errors.

International journal of radiation oncology, biology, physics 31158426
PURPOSE: To investigate a Bayesian network (BN)-based method to detect errors in external beam radiation therapy physician orders.
Algorithms Bayes Theorem Cohort Studies Datasets as Topic Dose Fractionation, Radiation False Negative Reactions False Positive Reactions Humans Medical Errors Neoplasms Neural Networks, Computer Organ Specificity Radiologists Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Radiotherapy, Image-Guided ROC Curve Simulation Training Technology, Radiologic
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The potential use of deep learning in performing autocorrection of setup errors in patients receiving radiotherapy.

Radiography (London, England : 1995) 39892051
INTRODUCTION: Modern radiotherapy practice relies on multiple approaches for verification of patient positioning. All of these techniques require experienced radiotherapists who understand the anatomical landmarks and the limitations of the used veri...
Adult Aged Brain Neoplasms Deep Learning Feasibility Studies Female Head and Neck Neoplasms Humans Male Middle Aged Neural Networks, Computer Patient Positioning Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Retrospective Studies
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