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Fractionated non-invasive SRS
Study
SRT positioning system Imaging modality
Positioning error
2D-2D image registration for verification of set-up
Rosenthal 1995
Dental fixation
Orthogonal radiographs
2.3mm
±
1.6mm
Sweeney 2001
Vogele Bale Hohner head
holder
Portal imaging
1.9mm
±
1.2mm
Kumar 2005
Gill-Thomas-Cosman
Portal imaging
1.8mm
±
0.8mm
Georg 2006
Brain Lab Mask
Portal imaging
1.3mm
±
0.9mm
3D-3D image registration for verification of set-up
Baumert 2005
Stereotactic mask
CT
3.7mm
±
0.8mm
Boda-Heggemann
2006
Scotch cast mask
Cone-beam CT
3.1mm
±
1.5mm
Guckenberger 2007
Scotch cast mask
Cone-beam CT
3.0mm
±
1.7mm
Masi 2008
Thermoplastic mask & Bite block
Bite-block
Cone-beam CT
Cone-beam CT
2.9mm
±
1.3mm
3.2mm
±
1.5mm