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Different fractionation schedules (EBRT)
EQD2 = 25x1.8Gy
2Gy
+ 10Gy
1.8Gy + 10Gy
= 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!)
EQD2 = D
/
2Gy
+
g d +
/