Imaging for early stage breast cancer

Multicatheter interstitial brachytherapy (MIBT) vs. intensity modulated radiotherapy (IMRT)

Organ

Parameter

MIBT

IMRT

p

< < < <

PTV/PTV

COIN

0.69

0.85

<0.05

eval

ipsilateral breast

V90 (%)

11.1

20.3

<0.05

non-target breast

V90 (%)

3.6

4.8

<0.05

ipsilateral lung MLD (%)

5.1

7.1

<0.05

MLD: mean lung dose

Major et al. Radiother Oncol, 122:17-23. 2017