TARGeted Intraoperative radioTherapy With INTRABEAM as a Boost for Breast Cancer - A Quality Control Registry

TARGeted Intraoperative radioTherapy With the INTRABEAM-System as an Advanced Boost in Patients With Breast Cancer - A Quality Control Registry in Germany (TARGIT BQR)

Quality Control Registry for IORT used as an anticipiated boost with 20 Gy at the applicator surface followed by EBRT

Quality Control Registry of a standard treatment with intraoperative radiotherapy during breast conserving surgery with 20 Gy at the applicator surface as an advanced boost followed by a shortened external beam radiotherapy. This is a prospective phase IV study to evaluate real life data of IORT Boost. Study runs in Germany with 13 active centers recruiting. Due to the nature of the study (registry) there is no need for randomization. Inclusion of n = >1000 patients is planned.

Inclusion Criteria:

• Tumor diameter < 3,5 cm
• Informed consent

Exclusion Criteria:

• No informed consent
• Tumor size > 3,5 cm
• No indication for a boost