2656-2657 / 3581
TROG study (10.01-BOLART) « Plan of the day »
•
Planning CT after
voiding
•
10 first fractions CBCT
•
2 other plans :
•
A small plan (2
smallest CTV)
•
A large plan (all the
CTV)
•
PTV reduction from
1.5cm to 7mm
•
(PTV reduction =
45%)
03/01/13
Foroudi F et al., Radiother Oncol 2014
Variable
Category Count % (95%CI)
Conventional plan used
<3 times after the 9th fx?
Yes
No
41
8
84 (70-93)
16 (7-30)
Adaptive plan created on
time for the 10th fx
Yes
No
49
0
100 (93-100)
0 (0-7)
CTV within PTV
Yes
No
40
9
82 (68-91)
18 (9-32)
Treatment feasible?
Yes
No
34
15
69 (55-82)
31 (18-45)