Intra-fraction patient motion (bone)
negligible – examples:
6 bladder cancer patients, 35 x 2 CBCT scans
10 minutes between post- and pre-scan
Brain SRS (2 x 25 pats):
left-right
(mm)
cranio-caudal
(mm)
anterior-posterior
(mm)
mean
SD
mean
SD
mean
SD
post-pre
0
0.4
0
0.3
-0.1
0.5
LR
CC
AP
Thermo: PET:
Thermo: PET:
Thermo: PET:
Translations (mm):
M
0.2
-0.1
0.1
0.2
-0.2
-0.2
SD
0.6
0.7
0.3
0.3
0.3
0.3
Rotations (in °):
M
0.1
0.0
-0.1
0.1
0.1
-0.0
SD
0.2
0.3
0.7
0.5
0.4
0.4