From: Fractionated stereotactic radiotherapy for skull base tumors: analysis of treatment accuracy using a stereotactic mask fixation system
Distribution of displacements (1 SD, mm)
Overall displacement
Overall
Systematic
Random
(mm)
(n = 456)
(n = 16)
Mediolateral
0.3
0.9
0.7
0.5
Anteroposterior
-0.2
1
0.8
0.6
Craniocaudal
0.2
1.1