1132 / 1241
Size: GTV
40
< GTV
bg
< GTV
2.5
≅
GTV
vis
significant differences,
correlation with
- SUV
max
- size of lesion
- FDG-inhomogeneity
mean difference (radius 2.5/40): 0.9 cm
PET based GTV-contouring
GTV
40
54 ml
GTV
bg
95 ml
GTV
2.5
165 ml
GTV
vis
158 ml
0
60
120
180
mean volume (ml)
GTV
40
2.2 cm
GTV
bg
2.5 cm
GTV
2.5
3.1 cm
GTV
vis
3.0 cm
0
1
2
3
4
mean radius (cm)
p=0.0004
p=0.0002
p<0.0001
p<0.0001
GTV
40
GTV
bg
Nestle JNM 200