Quality assurance (QA) is an essential part of any radiation treatment, ensuring the accuracy of equipment set-up and precise and safe delivery of radiation to the patient. Only a small set of selected linac QA tests is performed daily, or prior to a complex treatment fraction, but what happens during the actual beam delivery?
To answer this, German start-up iRT is creating what it says is a completely new approach to radiotherapy QA. The company’s Integral Quality Monitor (IQM), developed in collaboration with the Princess Margaret Cancer Centre in Toronto (Med. Phys. 36 5420), is a real-time beam verification system that monitors the accuracy of radiation delivery throughout each patient treatment without any user interaction.
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