473 / 1224
Motion compensation techniques
•
The concept of
ITV
does not mix very well with the
definition of
PTV
.
•
Target volumes are too large
•
BUT:
Ø
Target coverage is ensured
Ø
Motion amplitude <10mm in majority of patients
Ø
Clinical data with ITV and SBRT is excellent
Ø
It is the most practical 4D solution
SBRT 2016 - D. Verellen
36