2017_SBRT_Course Book

Accuracy: Frame-based versus IGRT-frameless

1.50

1.00

0.50

Frame-based Frameless

0.00

Longitudinal

Lateral

Vertical

Average shift (mm)

-0.50

-1.00

Overall 3D accuracy:

1.17 mm SD 0.24 mm (frame-based) 0.85 mm SD 0.52 mm (frameless)

Gevaert et al. Int J Radiat Oncol Biol Phys 2012 SBRT 2017 - D. Verellen

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