APBI 2016

Comparison of MammoSite and Interstitial Brachytherapy, example 24 patients treated with MammoSite compared to 17 patients treated with IB MammoSite Interstitial Brachytherapy Dose/frac/days 34/10/5 36.4/7/5 PTV cc 109.6 63.4 V90 96% 76% V100 88% 70% V150 27% 26% V200 3% 9% Dose homogeneity 0.70 0.63 Dmax skin 97% 45% Dmax lung 66% 54% Dmax heart 27% 31% V90 (% of PTV receiving ≥90% of prescribed dose)

A little more dose inhomoge.

Less skin and lung dose

Major et al, R&O 2006