APBI 2016
Effect of inverse square law on dose
100 110
Ref. point distance = 100 cm
0 10 20 30 40 50 60 70 80 90
Teletherapy
D=100 % Ref. point
source
ref. point distance distance
Brachytherapy
Realative dose value (%)
Ref. point distance = 1 cm
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Distance from reference point (cm)
Made with FlippingBook