Publications
The IQM System has been thoroughly evaluated by some of the world's leading radiation therapy centers.
Select your topic of interest from 15 articles, 19 posters,
19 presentations and 3 technical white papers.
A new wedge-shaped ion chamber component for BEAMnrc to model the IQM System
Author:
Oluwaseyi Michael Oderinde, et al, University of the Free State, Bloemfontein (South Africa)
Summary:
Development of a new component module (CM) to accurately model the IQM to be used in the BEAMnrc Monte Carlo (MC) code
Real-time beam monitoring for error detection in IMRT plans and impact on DVH
Author:
Livia Marrazzo, et al, Multi-centre study of 3 RT departments
Summary:
This article shows the ability of detecting small delivery errors with a transmission detector for online monitoring of Intensity Modulated Radiation Therapy (IMRT) treatments. The authors also show how the IQM signal deviations strongly correlate with changes in the dose-volume-histogram for the PTV and OAR’s.
Error detection capability of IQM: an validation study for online VMAT monitoring
Author:
Marlies Pasler, Livia Marrazzo, et al, Lake Constance Radiation Oncology Center, Friedrichshafen (Germany) and University of Florence (Italy)
Summary:
Deviations in dose distributions between the original and error-induced plans were compared in terms of detector signal deviation, dose-volume histogram (DVH) metrics and 2D γ-evaluation.
Real-time verification of VMAT delivery
Author:
Makan Farrokhkish, et al, Princess Margaret Cancer Centre, Toronto (Canada)
Summary:
Evaluation of the IQM beam monitoring performance to assess the accuracy and reproducibility of the linac beam delivery. The signal calculation accuracy and measurement reproducibility as well as the error detection capability of the IQM System was evaluated. For this study the author analyzed 52800 beam segments.
Beam hardening and attenuation of photon beams
Author:
Bozidar Casar, et al, Institute of Oncology, Ljubljana (Slovenia)
Summary:
Evaluation of the effects of the IQM detector on photon beam properties
Correlation of error detection sensitivities for two VMAT QA systems
Author:
Kilian Michel, Lake Constance Radiation Oncology Center, Singen-Friedrichshafen (Germany)
Summary:
Sensitivity of PTW Octavius, IBA Dolphin and IQM for various delivery errors
IMRT Plan QA with IQM
Author:
Sonja Wegener, et al, Unversity Clinic Wurzburg (Germany)
Summary:
Evaluation of the IQM System for IMRT plan QA. The IQM Calculation algorithm has been validated for a wide spectrum of clinical IMRT cases. The error sensitivity of the IQM System has been tested with a variety of induced errors. The error detection capability of the IQM System has been compared against their current IMRT QA approaches.
The physics behind the IQM signal
Author:
Robert Heaton, Princess Margaret Cancer Centre, Toronto (Canada)
Summary:
Presentation of the IQM calculation model in terms of the physical characteristics and behavior of linear accelerators.
Signal prediction for IQM
Author:
Robert Heaton, et al, Princess Margaret Cancer Centre, Toronto (Canada)
Summary:
Introduction of an accurate expected (reference) signal calculation algorithm
Online Dosimetry with IQM
Author:
Kilian Michel, Lake Constance Radiation Oncology Center, Singen-Friedrichshafen (Germany)
Summary:
Evaluation of the IQM System for Online Dosimetry during the patient treatment. The long-term signal stability, the error detection sensitivity for induced errors, the correlation of the IQM and the Dose-Volume-Histogram as well as treatment plan verification with the IQM System has been evaluated.
Influence of the IQM on high energy photon beam: A multi-centre study
Author:
Bozidar Casar, et al, Multi-centre study of 9 RT departments
Summary:
This article discusses the influence of the Integral Quality Monitor (IQM) transmission detector on photon beam properties. The authors evaluated the change of beam quality (beam hardening), surface dose and the beam attenuation of the IQM detector.
Sensitivity analysis of the IQM System using Monte Carlo simulation
Author:
Oluwaseyi M. Oderinde, et al, University of the Free State, Bloemfontein (South Africa)
Summary:
Evaluation of the IQM error sensitivity in beam segments using EGSnrc/BEAMnrc Monte Carlo (MC) codes
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