IGRT 2016 Madrid

Pulmonary SBRT

Intra-fractional changes of the tumor position

12

10

8

6

4

2

Intrafractional drift (mm) 0

0

10

20

30

40

Fraktionsdauer (min)

<34min : 2.2mm >34min : 5.3mm Prudie et al. 2007 Patient i mobilization with vacuum cushion and double vacuum technique

2.8mm ± 1.6mm

Guckenberger Radiat Oncol 2006