Physics Bucharest 2017

Challenges to be resolved in radiotherapy

Target definition

GTV_MRI_DW

Gross Target Volume

(a )

(b )

(c )

Clinical Target Volume

(d )

(e)

(f)

T3 N0 M0 bladder cancer (right bladder wall) (a) contrast enhanced CT scan, (b) axial T2 weighted image performed on a 1.5T MRI unit, (c) corresponding ADC map, (d) axial DW MRI at b-value=0, (e) axial DW MRI at b-value=100, (f) axial DW MRI at b-value=750