![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0211.png)
Immobilization characteristics: Introduction
l
Brainlab frameless mask:
g
Estimate the immobilization characteristics:
Ø
Setup error, due to:
§
positioning of patient into mask prior to CT imaging
§
Re-application prior to treatment
Ø
Intrafraction motion = motion of the patient during
treatment
41