792 / 1609
• 621 patients T1–T2, N0-1
lumpectomy + EBRT (44 Gy in 5
weeks), + 2 x 5 Gy HDR.
•
One plane 89%, 3 lines 84%
• FU 10.3years,
• 10-year local relapse:
7.4%
• Cosmetic results: excellent 22%
good 58%, fair 15%, and poor 5%
•
Small-volume implantation
(V100<45cc) and DCIS correlated
with local relapse.
•
When surgical bed could not be
accurately localized, the boost
volume should be large to avoid
local recurrence.
Quéro L, Guillerm S, Taright N, 10-Year follow-up of 621
patients treated using high-dose rate brachytherapy as
ambulatory boost technique in conservative breast cancer
treatment. Radiother Oncol. 2017;122(1):11-16
two orthogonal films
plastic tubes
Boost 2 x 5Gy