Advanced Physics for Brachytherapy 2018

Indexes

PD 1.5 PD 2 PD

V 1.5PD V PD

DNR =

• Dose-Non-Uniformity Ratio • Independent of CTV-OAR • Lower DNR more homogeneous is • Also Dose-Homogeneity-Index

- V 1.5PD V PD

V PD

= 1 - DNR

DHI =