AIMC Topic: Radiotherapy Planning, Computer-Assisted

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Inverse treatment planning for spinal robotic radiosurgery: an international multi-institutional benchmark trial.

Journal of applied clinical medical physics May 8, 2016
Stereotactic radiosurgery (SRS) is the accurate, conformal delivery of high-dose radiation to well-defined targets while minimizing normal structure doses via steep dose gradients. While inverse treatment planning (ITP) with computerized optimization...
Radiosurgery International Agencies Humans Algorithms Robotics Benchmarking Radiotherapy Planning, Computer-Assisted Spinal Neoplasms Radiotherapy Dosage Radiotherapy, Intensity-Modulated
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Liver vessel segmentation based on extreme learning machine.

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) May 4, 2016
Liver-vessel segmentation plays an important role in vessel structure analysis for liver surgical planning. This paper presents a liver-vessel segmentation method based on extreme learning machine (ELM). Firstly, an anisotropic filter is used to remo...
Radiotherapy Planning, Computer-Assisted False Positive Reactions Algorithms Radiography, Abdominal Tomography, X-Ray Computed Anisotropy Reproducibility of Results Imaging, Three-Dimensional Sensitivity and Specificity Image Processing, Computer-Assisted Liver Diffusion Humans Machine Learning
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A dosimetric comparison of real-time adaptive and non-adaptive radiotherapy: A multi-institutional study encompassing robotic, gimbaled, multileaf collimator and couch tracking.

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology Mar 22, 2016
PURPOSE: A study of real-time adaptive radiotherapy systems was performed to test the hypothesis that, across delivery systems and institutions, the dosimetric accuracy is improved with adaptive treatments over non-adaptive radiotherapy in the presen...
Lung Neoplasms Robotics Prostatic Neoplasms Radiotherapy Planning, Computer-Assisted Humans Male Computer Systems Radiotherapy Dosage Movement
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A machine learning approach to the accurate prediction of multi-leaf collimator positional errors.

Physics in medicine and biology Mar 7, 2016
Discrepancies between planned and delivered movements of multi-leaf collimators (MLCs) are an important source of errors in dose distributions during radiotherapy. In this work we used machine learning techniques to train models to predict these disc...
Radiotherapy Planning, Computer-Assisted Radiation Dosage Radiotherapy Dosage Patient Positioning Humans Machine Learning
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Accelerated partial breast irradiation using robotic radiotherapy: a dosimetric comparison with tomotherapy and three-dimensional conformal radiotherapy.

Radiation oncology (London, England) Feb 27, 2016
BACKGROUND: Accelerated partial breast irradiation (APBI) is a new breast treatment modality aiming to reduce treatment time using hypo fractionation. Compared to conventional whole breast irradiation that takes 5 to 6 weeks, APBI is reported to indu...
Radiation Injuries Phantoms, Imaging Movement Radiometry Radiotherapy Dosage Radiotherapy, Intensity-Modulated Radiosurgery Radiotherapy Surgical Instruments Female Breast Neoplasms Imaging, Three-Dimensional Robotics Breast Radiotherapy Planning, Computer-Assisted Radiotherapy, Conformal Respiration Humans
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Comparison of Planning Quality and Efficiency Between Conventional and Knowledge-based Algorithms in Nasopharyngeal Cancer Patients Using Intensity Modulated Radiation Therapy.

International journal of radiation oncology, biology, physics Feb 12, 2016
PURPOSE: Intensity modulated radiation therapy (IMRT) is widely used to achieve a highly conformal dose and improve treatment outcome. However, plan quality and planning time are institute and planner dependent, and no standardized tool exists to rec...
Radiotherapy Dosage Nasopharyngeal Neoplasms Software Validation Workload Knowledge Bases Radiotherapy Planning, Computer-Assisted Radiotherapy, Conformal Humans Software Reproducibility of Results Sensitivity and Specificity User-Computer Interface Treatment Outcome
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eNAL++: a new and effective off-line correction protocol for rotational setup errors when using a robotic couch.

Journal of applied clinical medical physics Nov 8, 2015
Cone-beam CTs (CBCTs) installed on a linear accelerator can be used to provide fast and accurate automatic six degrees of freedom (6DoF) vector displacement information of the patient position just prior to radiotherapy. These displacement correction...
Humans Software Meningeal Neoplasms Radiotherapy Planning, Computer-Assisted Particle Accelerators Patient Positioning Algorithms Radiotherapy, Image-Guided Cone-Beam Computed Tomography Meningioma Robotics Rotation
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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 Sep 8, 2015
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...
Radiotherapy Setup Errors Humans Male Robotics Radiotherapy, Intensity-Modulated Patient Positioning Movement Beds Prostatic Neoplasms Rotation Radiotherapy Planning, Computer-Assisted Radiotherapy Dosage
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Investigating the clinical advantages of a robotic linac equipped with a multileaf collimator in the treatment of brain and prostate cancer patients.

Journal of applied clinical medical physics Sep 8, 2015
The purpose of this study was to evaluate the performance of a commercially avail-able CyberKnife system with a multileaf collimator (CK-MLC) for stereotactic body radiotherapy (SBRT) and standard fractionated intensity-modulated radiotherapy (IMRT) ...
Radiotherapy Planning, Computer-Assisted Radiotherapy Dosage Radiotherapy, Intensity-Modulated Radiosurgery Patient Care Planning Male Particle Accelerators Robotics Humans Prostatic Neoplasms Female Equipment Design Brain Neoplasms
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Accuracy of Robotic Radiosurgical Liver Treatment Throughout the Respiratory Cycle.

International journal of radiation oncology, biology, physics Aug 21, 2015
PURPOSE: To quantify random uncertainties in robotic radiosurgical treatment of liver lesions with real-time respiratory motion management.
Aged Aged, 80 and over Male Middle Aged Liver Neoplasms Fiducial Markers Humans Robotics Retrospective Studies Female Radiography Linear Models Movement Radiotherapy Planning, Computer-Assisted Uncertainty Respiration Radiotherapy Setup Errors Radiosurgery Particle Accelerators Dose Fractionation, Radiation
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