Imaging for early stage breast cancer

Comparison of MammoSite and Interstitial Brachytherapy, example

DOUBLE TROUBLE Example based on V150 from Major et al, R&O 2006 MammoSite 5.1 Gy/f 51 Gy total

29.6cc

EQD(2Gy) α/β 3

82.6 Gy total

α/β 10

64.2 Gy total

Interstitial Brachytherapy 7.8 Gy/f

54.6 Gy total

16.5cc

EQD(2Gy) α/β 3

118 Gy total

α/β 10

81 Gy total

Thus, be carefull!

Offersen et al, review, R&O 2009