AIMC Topic: Radiosurgery

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Neural network dose models for knowledge-based planning in pancreatic SBRT.

Medical physics Nov 1, 2017
PURPOSE: Stereotactic body radiation therapy (SBRT) for pancreatic cancer requires a skillful approach to deliver ablative doses to the tumor while limiting dose to the highly sensitive duodenum, stomach, and small bowel. Here, we develop knowledge-b...
Radiation Dosage Humans Radiotherapy Dosage Neural Networks, Computer Radiosurgery Pancreatic Neoplasms Normal Distribution Radiotherapy Planning, Computer-Assisted
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A deep convolutional neural network-based automatic delineation strategy for multiple brain metastases stereotactic radiosurgery.

PloS one Oct 6, 2017
Accurate and automatic brain metastases target delineation is a key step for efficient and effective stereotactic radiosurgery (SRS) treatment planning. In this work, we developed a deep learning convolutional neural network (CNN) algorithm for segme...
Image Interpretation, Computer-Assisted Radiosurgery Stereotaxic Techniques Algorithms Brain Brain Neoplasms Image Processing, Computer-Assisted Humans Neural Networks, Computer
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Impact of pixel-based machine-learning techniques on automated frameworks for delineation of gross tumor volume regions for stereotactic body radiation therapy.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB) Sep 23, 2017
The aim of this study was to investigate the impact of pixel-based machine learning (ML) techniques, i.e., fuzzy-c-means clustering method (FCM), and the artificial neural network (ANN) and support vector machine (SVM), on an automated framework for ...
Tumor Burden Pattern Recognition, Automated Fluorodeoxyglucose F18 Radiosurgery Aged Aged, 80 and over Male Time Factors Lung Imaging, Three-Dimensional Neural Networks, Computer Positron Emission Tomography Computed Tomography Lung Neoplasms Machine Learning Humans Radiopharmaceuticals Fuzzy Logic Female Radiotherapy Planning, Computer-Assisted Reproducibility of Results
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CyberKnife with integrated CT-on-rails: System description and first clinical application for pancreas SBRT.

Medical physics Aug 2, 2017
PURPOSE: This article reports on the integration of a sliding-gantry CT-on-rails with a robotic linear accelerator.
Tomography, X-Ray Computed Robotics Germany Radiosurgery Humans Phantoms, Imaging Particle Accelerators
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Non-iterative geometric approach for inverse kinematics of redundant lead-module in a radiosurgical snake-like robot.

Biomedical engineering online Aug 1, 2017
BACKGROUND: Snake-like robot is an emerging form of serial-link manipulator with the morphologic design of biological snakes. The redundant robot can be used to assist medical experts in accessing internal organs with minimal or no invasion. Several ...
Biomechanical Phenomena Animals Robotics Biomimetics Radiosurgery Mechanical Phenomena Snakes
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Feasibility of robotic stereotactic body radiotherapy of lung tumors with kilovoltage x-ray beams.

Medical physics Mar 21, 2017
PURPOSE: Robotic Stereotactic body radiation therapy (SBRT) for lung tumors is treatment modality that, for cases of inoperable lung tumors, has shown excellent treatment outcomes. The typical photon energy when delivering this type of treatments is ...
Monte Carlo Method Phantoms, Imaging X-Rays Humans Female Male Lung Neoplasms Robotics Feasibility Studies Radiosurgery
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Vector-model-supported optimization in volumetric-modulated arc stereotactic radiotherapy planning for brain metastasis.

Medical dosimetry : official journal of the American Association of Medical Dosimetrists Mar 18, 2017
Long planning time in volumetric-modulated arc stereotactic radiotherapy (VMA-SRT) cases can limit its clinical efficiency and use. A vector model could retrieve previously successful radiotherapy cases that share various common anatomic features wit...
Humans Computer Simulation Female Reproducibility of Results Aged Support Vector Machine Models, Biological Radiotherapy Planning, Computer-Assisted Pattern Recognition, Automated Radiotherapy Dosage Radiosurgery Radiometry Cranial Irradiation Brain Neoplasms Male Middle Aged Aged, 80 and over Decision Support Systems, Clinical Adult Sensitivity and Specificity
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Commissioning Monte Carlo algorithm for robotic radiosurgery using cylindrical 3D-array with variable density inserts.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB) Jan 11, 2017
INTRODUCTION: To commission the Monte Carlo (MC) algorithm based model of CyberKnife robotic stereotactic system (CK) and evaluate the feasibility of patient specific QA using the ArcCHECK cylindrical 3D-array (AC) with Multiplug inserts (MP).
Particle Accelerators Robotics Feasibility Studies Radiosurgery Monte Carlo Method Humans Algorithms Lung
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Dosimetric Implications of Residual Tracking Errors During Robotic SBRT of Liver Metastases.

International journal of radiation oncology, biology, physics Nov 27, 2016
PURPOSE: Although the metric precision of robotic stereotactic body radiation therapy in the presence of breathing motion is widely known, we investigated the dosimetric implications of breathing phase-related residual tracking errors.
Radiotherapy, Image-Guided Tomography, X-Ray Computed Reproducibility of Results Sensitivity and Specificity Liver Neoplasms Humans Tumor Burden Radiotherapy Dosage Radiosurgery Respiratory Mechanics Treatment Outcome Robotics Motion Radiotherapy Planning, Computer-Assisted
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Exploring Value From the Patient's Perspective Between Modern Radiation Therapy Modalities for Localized Prostate Cancer.

International journal of radiation oncology, biology, physics Nov 24, 2016
PURPOSE: Patients' perspectives on their treatment experiences have not been compared between modern radiation modalities for localized prostate cancer. We evaluated treatment regret and patients' perceptions of their treatment experiences to better ...
Radiotherapy, Intensity-Modulated Radiosurgery Follow-Up Studies Adult Emotions Male Decision Making Middle Aged Prostatic Neoplasms Surveys and Questionnaires Watchful Waiting Humans Patient Satisfaction Aged Brachytherapy Aged, 80 and over Radiotherapy Dosage
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