What is your opinion on IORT for breast with electron brachytherapy?
We have a lot of push from our surgeons to do IORT, do you use the ASTRO APBI criteria? Do you treat off-protocol? Do you use Xoft or Intrabeam?
2 Answers
Mednet MemberInvited Expert
Radiation Oncology · St. Luke’s Cancer Center
Answered on
I have used the Intrabeam system. I use strict selection criteria, following both the TARGiT A eligibility and the ASTRO suitability criteria. I think this is a good modality for lower risk disease. I do consider this a form of APBI. The mechanism of action is not completely understood, like many ra...
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Mednet Member
Radiation Oncology · Sutter Health N. Cal
Answered on
Since there is a large phase III, prospective, randomized trial with long F/U (all patients beyond 5 yrs and some beyond 20 yrs) published (TARGIT-A), I use IntraBeam and follow the TARGIT-A trial eligibility criteria.
The electron based IORT data (ELIOT Trial) was not as favourable as the IntraBeam...
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