2017_SBRT_Course Book

Imaging for target definition

• Slow 3D-CT

4D-CT image artifact reduction

Ø Images acquired in breathhold are NOT representative for treatment! Ø Images acquired in free breathing are associated with multiple uncertainties: § Size and shape of the target? § Target position / organs at risk? § Motion range and trajectory of target and organs at risk?

SBRT 2017 - D. Verellen

Garcia et al. , 2006