Basic Clinical Radiobiology 2017

DVH & Double Trouble

• Lung cancer patient; planned treatment: 24 x 2,75 Gy = 66Gy

• Heart = Serial? Parallel? Constraint

24x 2,75 Gy EQD 2

Case

D mean

Target < 20 Gy Max: 46 Gy

Target < 15,3 Gy Max: 45 Gy

33,2 Gy

D max

66 Gy

76 Gy

66 Gy