2017_IGRT course book

Dose Error

Patient may require re-scanning and plan evaluation with the prostate at a typical treatment position New fiducial positions are acquired from new scan Often can ‘snap’ original plan to new fiducial coordinates with good coverage Uncommonly (5% of time), the patient needs a whole new plan

90%

80%

6000

7000

8000

ESTRO IG and Adaptive Course Parikh Athens 2017