IMRT 2018

Outline

Introduction to IMRT Dosimetry for IMRT • Output factors • Depth dose curves • Penumbra •

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Umbra + transmission

MLC position + leave gap when closed

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• Monitor units (MUs) and degree of modulation • Other modalities • VMAT, Tomotherapy, Gamma knife and Cyber knife • QA of beam data • Checks in phantoms • Clinical audits • Clinical implementation • Absolute dosimetry (non reference fields) • Detectors