Previous Page  473 / 1245 Next Page
Information
Show Menu
Previous Page 473 / 1245 Next Page
Page Background

   

rad

water 0

1

d

z

z

z

z z

 

 

0

w

0

rad

d

0

rad

S

d

w

0

d e

CF =

e

d e

z

z

z

t t

z

t

z z

z z

z

z

z

 

 

 

calculation techniques:

Common approach for heterogeneity handling:

primary dose,

use PK primary dose data for the depth

z

rad

:

scatter dose,

apply a 1D convolution derived correction factor

:

A Ahnesjö et al (1992)

Med Phys

19, 263-273

This is the methods used for PK kernel in (at least) Oncentra