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ESTRO SBRT course Sept 2015
Imaging technology
Comparison of Novalis 6DOF setup measured
with ExacTrac or with CBCT:
Phantom experiments RMS <1.0 mm and <1
°
.
11 spinal SBRT pats: RMS <2.0 mm and <1.5
°
.
Pre-caution should be taken when only ExacTrac
X-ray 6D is used to guide SBRT with small setup
margins.
Chang R&O 95, 2010 p116-121
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