Advanced Brachytherapy Physics - Vienna 2016

2

r g r

0       r

( ) ( ) an r φ

( ) D r S 

= Λ

K

P

dose rate to water at point P(r, θ)

( ) D r 

air kerma strength dose rate constant

S K

Λ

1/ r 2

geometry function ( point-source approximation )

( r )

radial dose function 1D anisotropy function

g P

( r )

φ an

Rivard, et al., Med. Phys. 31, 633-674 (2004)