2017_SBRT_Course Book

Some definitions

• Frame-based versus Frameless Ø

Whether a stereotactic system of external coordinates is used for localization and positioning or anatomy and real-time in- room imaging

• Invasive versus non-invasive Ø

Whether the patient is rigidly fixed to the stereotactic system using invasive techniques or a patient friendly immobilization system is used allowing multiple fractions

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SBRT 2017 - D. Verellen