Author: R. Nachtigall, et al, Strahlenzentrum Hamburg MVZ, Germany Summary: The purpose of this project is to evaluate if the IQM is a reliable alternative to the phantom based patient plan verification offering the possibility to shift the QA to the first treatment fraction.
Implementation of a gantry mounted ion chamber for the machine QA and clinical routine Read More »
Author: O. Grahm Valadie1, et al, Cedars-Sinai Medical Center, Los Angeles, CA Summary: The purpose of this project is to compare the QA capabilities of the IQM to clinically established QA devices and to shows its potential to efficiently replace current QA devices, while minimizing setup error for daily and monthly QA.
Author: Dan Pavord, Allegheny Health Network, Pittsburgh, PA Summary: Dan Pavord, Chief of Medical Physics at Allegheny Health Network in Pittsburgh, presented groundbreaking findings on the use of the Integral Quality Monitor (IQM) for comprehensive machine quality assurance (QA).
Using the IQM Transmission Detector to Monitor Linac Performance Read More »
Author: Makan Farrokhkish, et al, Multi-Center Study Summary: This multi-center study investigated the IQM System for constancy measurements of various beam parameters for photon beams. The results suggest that the system can be used for most of the routine QA tests effectively and efficiently. .
Author: K.L. Yun, et al, Allegheny Health Network (USA) Summary: The clinical physics group compared the sensitivity of the IQM System to beam energy changes against 4 other conventional methods. They concluded that the IQM device was approximately twice as sensitive as the other chamber methods. .
Measuring Photon Beam Energy Changes on an Elekta Versa HD using 5 methods Read More »
Author: Y. Liang, et al, Allegheny Health Network (USA) Summary: The clinical physics group compared Sun Nuclear SRS MapCheck and IQM for the patient-specific QA of three single ISO multi-met SRS plans created with the Brainlab Elements MME TPS. They concluded that both systems showed good agreement between the QA results, but that the QA
Comparison of IQM and SRS MapCheck for pre-treatment SRS/SRT QA Read More »
Author: Melissa Ghafarian, et al, Vanderbilt University Medical Center, Nashville, USA Summary: The purpose of this study was to compare pre-treatment VMAT QA measurements and evaluate the MLC error sensitivity of two detectors: the IQM System and the Varian Portal Dosimetry System.
Comparison of pre-treatment VMAT QA between IQM and Varian Portal Dosimetry Read More »
Author: Cinzia Talamonti, et al, University of Florence (Italy) Summary: Evaluation of the combined use of the IQM system and SoftDiso portal dosimetry software, for in vivo dose monitoring by simultaneous detection of delivery and patient setup errors in whole breast irradiation. The combined use of the IQM and SoftDiso allows for fast identification of
Combined use of IQM and an EPID-Based In Vivo Dose Monitoring System Read More »
Author: Adam Harpley, et al, Vanderbilt University Medical Center, Nashville (USA) Summary: The clinical physics group introduced a variety of clinically significant treatment delivery errors into 8 retrospective SBRT plans and compared the error sensitivity of IQM to their Varian Portal Dosimetry system.
Evaluation of the signal response with the EPID and the IQM for SBRT QA Read More »
Author: Stephen Martinez, et al, Vanderbilt University Medical Center, Nashville (USA) Summary: The clinical physics group aimed to compare the capability of the iQM system for optimizing MLC model specific parameters: Dynamic Leaf Gap and Transmission Factor to a IBA MatriXX spatial array. IQM shows a VERY small variation in the measured results and is
Optimization of DLG and MLC transmission factors Read More »
