816 / 1674
MammoSite ClearPath
p
PTV coverage
V90%
99.6
99.7
ns.
V100%
96.5
96.5
ns.
High dose region
V150%
42.1
42.9
ns.
V200%
11.4
15.2
< 0.05
OAR
Ipsilateral breast (V50%)
19.8
18.0
< 0.05
Ipsilateral lung (V30%)
3.7
2.8
< 0.05
Heart (V5%)
57.0
54.3
< 0.05
Maximal skin dose (%)
92
80
< 0.05
Dickler et al. Brachytherapy 8:14-18. 2009
The MammoSite and ClearPath methods of PBI offer
comparable
target volume
coverage, however the
ClearPath
device achieves
increased OAR sparing
.
A dosimetric comparison of MammoSite and ClearPath brachytherapy devices
(mean values for 15 patients)