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Different fractionation schedules (EBRT)
EQD2 = 4 x 7Gy
2Gy
+ 10Gy
7Gy + 10Gy
= 39.7Gy
10
Example for a a HDR brachy (4 x 7Gy):
Normalize the dose in
2Gy
per fraction:
/
= 10Gy
Intro
Mission
Concept
Solution
Practice
g = 1 (HDR!)
EQD2 = D
/
2Gy
+
g d +
/