Dose 2016

Pre-clinical studies (keV)

Bazalova and Graves. MP 38 June 2011 120kV, 225kV, 320kV and Ir-195 on centrally located lung tumour in small animal Conclude: Tissue segmentation based on mass density leads to Errors of up to 27% for 120kV Need tissue segmentation based on effective atomic number and 39 tissues to get below 2%