EC203 Portal Dosimetry | Varian

This course covers the commissioning, calibration and operation of the Portal Dosimetry system for the pre-treatment QA of IMRT and RapidArc patient plans. The topics detailed include: hardware and software introduction to the Portal Dosimetry system; Portal Dosimetry calibration; acquisition of Portal Dose images for dynamic delivery; analysis of Portal Dose images; and, recommended QA tests. Data transfer to and from non-Varian equipment will be discussed. The course includes lectures, instructor led-demonstrations, and practical exercises using live beam machines and the aSi1000 Portal Imager. PLEASE NOTE: This course is suitable for both Clinac and TrueBeam users. Portal Dosimetry configuration will be demonstrated on both machines during this course.