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IGRT/frameless: Intrafraction motion
Study
Immobilization
system
Imaging modality
Intrafractional error
3D vector
Boda-
Heggemann
2006
Thermoplastic masks
Scotch cast mask
Cone-beam CT
1.8mm ± 0.7mm
1.3mm ± 1.4mm
Masi 2008
Thermoplastic mask & Bite
block
Bite-block
Cone-beam CT
< 1mm
< 1mm
Lamda 2009
BrainLab mask
Orthogonal x-rays
0.5mm ± 0.3mm
Ramakrishna
2010
BrainLab mask
Orthogonal x-rays
0.7mm ± 0.5mm
Guckenberger
2010
Scotch cast mask
Thermoplastic masks
Cone-beam CT
0.8mm ± 0.4mm
0.8mm ± 0.5mm
SBRT 2017 - D. Verellen
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