Gynae BT 2017
Intro
Mission
Concept
Solution
Mathematical Description / Repair Function
➢ PDR brachytherapy : ➢ repair between successive pulses (hours) and during the whole fraction (hours - days) is significant
t
n
nt
2
1
2
e k enk k nk
tn sy ny
2
s
PDR g
1
2
t
t
ke
1
t 1 e
2ln
y
x e k
T
… repair rate T 1/2
21
T
1/2
… half time for repair
t … x … n …
irradiation time for each pulse
time between pulses without irradiation
. . .
number of equal pulses
2
4 6 8 Time [h]
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