1036-1037 / 3107
Prostate cancer
IV - imaging
o
CT scan
o
Use for doseplanning
o
Difficult to outline
o
Posterior, apex, seminal vesicles
o
Overestimate volume
No image of GTV-T
o
MRI scan
o
Differentiate between T1/T2 and
T3/T4 tumours
o
T2 weighted MR sequences for
prostatic apex
o
Smaller volume than CT
o
o
Reduced inter-observervariations
2015/May/29
Gao Rad Onc 2007