Haematology 2018

Most prevalent methods of delivering TBI

• Patient standing or lying down at extended SSD • Reduced dose rate (about 10% of normal) • One field using the diagonal dimension

• Plexiglas barrier close to patient to defeat the skin-sparing • Blocking of critical organs (usually lungs, sometimes kidneys, liver, and previously irradiated sites) • Point measurements for planning and dose verification • Large dose heterogeneity