From: Radiotherapy treatment planning with contrast-enhanced computed tomography: feasibility of dual-energy virtual unenhanced imaging for improved dose calculations
Energy [MV]
Field size [cm2]
Pass rate [%]
Enhanced
Virtual unenhanced
80 kVp/Sn140 kVp
100 kVp/Sn140 kVp
10
10 × 10
45.6
98.4
4 × 4
59.3
99.2
4
37.1
93.7
97.9
44.9
98.7