1023 / 1542
Fokdal et
al., (2004)
15
Five serial planning
CTs, with varied
filling of urinary
catheter and rectal
balloon; planning CT
scan at 20 fractions
2.4 1.1 3.5 0.5 1.3
87%
Manger et
al., (2007)
9
Cine-MRI over
20mins pre-RT,
repeated after week
4
1.5 isotropic
89%
(78%, 95% confidence
interval maximum
displacement <1.5 cm)
McBain et
al., (2009)
15
Cine-MRI
over 28mins at
staging, 2-3 weeks
later prior to RT
1.5-2.0 isotropic
50% at 14mins with 1.5cm
margin
Lalondrelle
et al.,
(2011)
15
Planning CT 0 (CT0),
15, 30mins, pre-RT
CBCT (CTVcb), post
RT CBCT,
1.5 (CTV0),
0.5 (CTVcb)
49% of fractions (51% of
pre-RT outside CT0)
Gronberg et
al., (2015)
9
Planning CT, pre-RT
CBCT, weekly post
RT CBCT, MRI scan
pre-treatment,
weekly at 0, 2, 4, 6,
8,10mins
1.4 1.4 0.9 0.5 0.5
63% with population
based margin (3 out of 8
patients did not have
bladder encompassed
by PTV; bladder volume
coverage in these
patients was 98.1%-
99.9%)
.4 0 9 1.4
0.5