Basic Treatment Planning

Many ways to Rome!

Method

Margin (AMC)

Extra treatment time

Imaging dose

Corretable?

Relevant anatomical information

Bone match

10 mm

2-3 minutes

(3cGY*2) High

Possible

-

Offline fiducial PI Online fiducial PI Online CBCT

8 mm

0 minutes

No

-

+

7 mm

1-3 minutes

Very low (kV) to high (MV)

Correctable in case of PI

+

7 mm

1-3 minutes

0.4-3.5 cGy/scan Partly

+++

If there is a balance with the used margin: 1. LC is about the same for the all different procedures 2. Toxicity probably lowest with online IGRT