In-room imaging and MR planning

Can we get rid of CT? ED Accuracy

2010 Jonsson • Adequate bulk density sufficient <1.6% accuracy looked at prostate head & even in lung with air cavity • Large (15%) change in assigned density  modest 1-2% dose change 2016 Juha • Dual bulk (water, bone) vs homogenous vs full conversion for brain & prostate • Homogenous unacceptable errors in certain cases; bone and soft tissue essential; further heterogeneity improves accuracy • Dual <2% ; heterogeneous model <0.5%