Advanced Physics for Brachytherapy 2018

Summary – Inverse Planning

~

k ASDP

N

N

i j

2

i jkl lkK





feasible

=

d

(x)

d Sxb

lk k

,

=

=

k

1

l

1

Source dwell time or seed position

Catheter/needle selection

Source strength

• b ∈ ,

& x ∈

➔ HIPO (in RTPs)

➔ GA – based (research) ➔ MILP – based (research)

single stepping source

HDR-afterloader

z.B. 192 Ir

• b ∈ ,

& x ∈ ,

➔ IPSA (in RTPs)

seeds implants permanent

➔ MIP -formulations & methods

z.B. 125 I

➔ GA – based