Physics Bucharest 2017

The  -index method for comparison of measured and calculated dose distributions

D m

(r)

D c

(r´)

r´

r

Determine  (r), the  -index of r:

ଶ

ଶ

௠

௖

ᇱ

1. Determine for all :

ᇱ )

2.

= 3mm

= 3%

  -test: pixel r passes if  (r)≤1  for  (r´) to be ≤1: |r-r´|  3 mm AND D m

(r´)  3%

(r)-D c