347 / 1601
ESTRO IG and Adaptive
Course Parikh Budapest 2018
6000
7000
8000
80%
90%
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