Imaging for early stage breast cancer
How to avoid the late side effects with APBI ??
(1) Respect guidelines or recommendations of „positive trials“ ~ respect constraints !
Constraints
Organ
Constraints
V PD 300 cm 3
Treatment
DNR 0.35
volume
Ipsilateral non-target
V 90
< 10%
breast
V 50
< 40%
V 100 90%
Skin (5 mm)
D 1cm 3
< 90%
V 150 < 65 cm 3
PTV
D 0.2cm 3 <100%
V 200 < 15 cm 3
Rib
D 0.1cm 3 < 90%
COIN 0.65
D 1cm 3
< 80%
Heart (mean heart dose)
MHD < 8%
D 0.1cm 3 < 50%
Ipsilateral lung
MLD < 8% ; MLD < 1-1,5 Gy ( stochastic effects )
D 0.1cm 3 < 60%
University Hospital Erlangen
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