Gynae BT 2017
Accurate contouring Pre-requisite for success of highly conformal RT but not that easy !
A. Bladder
Uncertainty bladder: 3 mm
50
L1
L2 V2
L3 V3
40
V1
30
20
IDD (mm)
10
0
180,0 B. Rectum
120,0
60,0
0,0
-60,0
-120,0
Angle (degrees)
Uncertainty Rectum: up to 5 mm
50
L1 V1
L2 V2
L3 V3
40
30
20
IDD (mm)
10
0
180,0
120,0
60,0
0,0
-60,0
-120,0
Angle (degrees)
C.Sigmoid colon
Uncertainty sigmoid colon: up to several cm!
50
L1 V1
L2 V2
L3 V3
40
30
20
IDD (mm)
10
0
180,0
120,0
60,0
0,0
-60,0
-120,0
Angle (degrees)
Petric P, et al. Eur J of cancer 2013;49(2):S726 (Abstract; ECCO/ESMO/ESTRO, Amsterdam 2013)
Made with FlippingBook - Online catalogs