1282 / 1726
Different fractionation schedules (EBRT)
BED = n · d 1 +
g ·d
/
BED = 25· 1.8Gy 1 + = 53.1Gy
10
1.8Gy
10Gy
EQD2 =
2Gy
/
1 +
BED
=
2Gy
10Gy
1 +
53.1Gy
= 44.3Gy
10
Example for a external beam dose (25 x 1.8Gy):
Normalize the dose in
2Gy
per fraction:
/
= 10Gy
Intro
Mission
Concept
Solution
Practice
g = 1 (EBRT!)