SBRT2015

How about table rotations?

• Relation between table rotation and overall 3D accuracy, if NOT corrected in between table positions:

Couch rotation

Overall 3D accuracy

10 15 20 60 70 80 90

0,46 ± 0,11 0,49 ± 0,15 0,57 ± 0,13 1,10 ± 0,33 1,15 ± 0,42 1,21 ± 0,22 1,24 ± 0,19

SBRT 2015 - D. Verellen Gevaert et al. Radiother Oncol 2012

52