Microsoft Word - Scientific Program IGRT 2016 Madrid V3

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Gating and duty cycle
Challenge 1: how to keep a sustainable duty cycle forhighly mobile
tumors?
Margin 10mm
Duty cycle 100%
Margin 0mm
Duty cycle 37.5%
Margin 6mm
Duty cycle 100%
Margin 2mm
Duty cycle 75%
Guckenberger 2011
Case example: SBRT for a 2cm NSCLC, 20mm motion