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Registration accuracy
Impact on margins?
Examples for registration uncertainties:
~ 0.5 mm for cranial
CT-CBCT
registration
(Sykes et al.,PMB 2009)
≤ 2 mm for cranial
CT-MR
registration
(Ulin et al., IJROBP 2010)
≥
2 mm for
CT-MR
registration for rectal cancer
(Dean et al., BJR 2012)
~ 2 mm for
CT
-
MR
registration for prostate
(Nyholm et al., Radiat. Onc. 2009)
~ 5-7 mm for DIR
(Yeo et al., Med. Phys 2013)