CPB Ljubljana 2018 course book

Endoluminal brachytherapy Continuous line or point source approximation?

Wire

Seed Ribbon

AL = 6 cm

n = 6

s = 1 cm

l

= 0.4 cm

s

Equivalence of stepping source vs line source

1 cm

Dose distribution normalized at 1 cm distance

Equivalence achievable!

equivalent