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Patient intrafraction motion and uncertainties, with IGRT corrections
in between couch rotations:
Ø
Mean shifts:
§
Vertical: -0.01 mm (SD 0.39 mm)
§
Longitudinal: -0.05 mm (SD 0.47 mm)
§
Lateral: 0.16 mm (SD 0.44 mm)
Mean 3D of 0.89 mm (SD 0.35 mm)
Ø
Mean rotations:
§
Vertical: -0.08°(SD 0.25°)
§
Longitudinal: 0.09°(SD 0.29°)
§
Lateral: -0.05°(SD 0.20°)
53
How about table rotations?
Gevaert
et al.
Radiother Oncol 2012
SBRT 2016 - D. Verellen