2404-2405 / 3107
Wt=25%
66
31-08-16
Basic treatment planning
The beam weights relative
to each other determine the
relative dose distribution,
= shape isodose pattern
The MU’s of the beams:
100% = 2Gy or 3Gy @ N
MU
beam1,3Gy
> MU
beam1,2Gy
MU
beam2,3Gy
> MU
beam2,2Gy
But
MU
beam1,3Gy
MU
beam1,2Gy
MU
beam2,3Gy
MU
beam2,2Gy
=
8x9
Wt=75%
N