836-837 / 3107
ON-LINE
protocol
- daily imaging, image analysis, and set-up correction (couch shift)
-
AIM
: reduction of systematic and random set-up errors
OFF-LINE
protocols
- imaging in limited number of fractions
Types of set-up correction protocols
- image analysis
off-line
, i.e. after treatment
- always perform a set-up correction, also if no images acquired
during the fraction
- corrections based on images acquired in previous fractions
-
AIM
: reduction of systematic set-up errors
- In this lecture:
NAL and eNAL
off-line protocols