Advanced Physics for Brachytherapy 2018
Inverse Optimisation and Planning: Topography based (TOP)
▪ “..local History”: Pre-delivered Dose Part of Implant
N
x
1
i
(
)
p
( )
( )
i L
i
i L
i
1 = j
x − − =
f
d D d D
i
j
j
N
i
d i
j (x) has a “History”.
N
1
i
) ( ) x − − = i i H H j
( ) ( x i
p i
1 = j
f
D d D d
i
j
N
i
“History”:
• Pre-delivered Dose (previous Implants or ERT)
• Fixed contribution of a part of the implant
(Fixed contribution form Ring + Tandem & TOP
of
additional interstitial needles)
* Using HIPO (Pi-Medical Ltd) implementation in Oncentra Prostate & Oncentra Brachy (Elekta, Nucletron B.V.)
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