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Dose uncertainties in MC MV photon dose calculations
Bazalova PMB 2008,
Dual-energy CT-based material extraction for tissue segmentation in Monte
Carlo dose calculations
250 kV x-rays
18 MV x-rays
Single energy CT
segmentation
real
real
segmented
segmented
17% errors
3% errors
From F Verhaegen
But <1% when dual energy used