2017_IGRT course book
Comparison of systems
Seeds 0.9 × 3.0 mm, CIVCO
OBI half fan half bow-tie filter 360 degree gantry rotation Reconstruction:512 × 512 resolution; 2mm slice thickness
95% Limits of agreement 3 observers
Right left (mm)
Superior Inferior (mm)
Anterior Posterior (mm)
CBCT fiducial markers
<2mm <2mm <2mm
CBCT soft tissue
<3mm <3mm <3mm
Average CBCT Fiducial markers compared CBCT Soft tissue
-1.6 to 2.5 -4.9 to 2.6
-4.7 to 1.9
Deegan 2014, Journal of Medical Imaging and Radiation Oncology
Made with FlippingBook - Online catalogs