ASMR 2016

Set-up accuracy: interfraction motion

Positioning system Imaging modality Position error 2D-2D image registration for verification of set-up based on bony anatomy registration

Study

2.3mm ± 1.6mm

Rosenthal 1995

Dental fixation

Ortogonal radiographs

Vogely Bale Hohner head Holder

1.9mm ± 1.2mm 1.8mm ± 0.8mm 1.3mm ± 0.9mm

Sweeny 2001 Kumar 2005 Georg 2006

Portal imaging Portal imaging Portal imaging

Gill-Thomas-Cosman

!

Brain Lab Mask

3D-3D image registration for verification of set-up

3.7mm ± 0.8mm

Baumert 2005

Stereotactic mast

CT

Boda-Heggermann 2006 Guckenberger 2007

3.1mm ± 1.5mm 3.0mm ± 1.7mm 2.9mm ± 1.3mm 3.2mm ± 1.5mm

Scotch cast mask Scotch cast mask

CBCT CBCT CBCT CBCT

Thermoplastic mask & Bite block

Masi 2008

Bite-block

Courtesy M. Guckenberger, ESTRO IGRT course