Dose 2016

Other image possibilities

Cone beam CT images? Image quality of CBCT images << CT images HU CT ≠ HU CBCT Needs separate calibration CBCT sensitive to motion artifacts Hatton PMB 54 (2007): 20% dose errors for MV photons based on CBCT

MRI images? Dowling IJROBP 83 (2012). Prostate

Atlas-based electron density mapping method PseudoCT and planning CT dose differences<2%. Planning CT and pseudoCT distributions equivalent Full examination of uncertainties needed