210-211 / 1778
Experience with CBCT monitoring from AUH
•
Full and empty bladder planning CT + MRI -> Individualised ITV margin: median 1.2cm, range [1.0-3.5cm]
•
Target coverage can be evaluated in 90% of CBCTs
•
Prescribed EBRT: 45Gy in 25 fx
•
15% of cases could benefit from re-planning
Case 1
Case 2
CT
CBCT
CT
CT
CT
CBCT
CBCT
CBCT
Case 3
Case 4
CTV
LR
: 25Gy
CTV
HR
: 43Gy
CTV
LR
: 39Gy
CTV
HR
: 38Gy
CTV
LR
: 37Gy