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Intraoperative radiation therapy for breast cancer: technical notes
Umberto Veronesi1, Giovanna Gatti, Alberto Luini
1Breast Department, European Institute of Oncology, Milan, Italy.
The Breast Journal
|February 27, 2003
Summary
Intraoperative radiation therapy (IORT) offers a targeted approach for breast cancer treatment, potentially reducing relapses. Early trials show no increased complications, but long-term cosmetic outcomes require further study.
Area of Science:
- Oncology
- Radiation Oncology
- Surgical Oncology
Background:
- Increasing interest in intraoperative radiation therapy (IORT) for breast cancer due to potential patient benefits.
- Rationale for IORT: ~85% of breast relapses are confined to the primary tumor's quadrant, supporting segmental irradiation.
- Previous Phase I/II trials indicate no increased postsurgical complications with single-dose IORT for localized breast cancers.
Purpose of the Study:
- To evaluate the effectiveness of intraoperative radiation therapy (IORT) in breast cancer treatment.
- To report and compare two distinct IORT techniques used in ongoing clinical trials.
Main Methods:
- Description of two different intraoperative radiation therapy (IORT) techniques.
- Ongoing clinical trials at the European Institute of Oncology (EIO) and Memorial Sloan-Kettering Cancer Center (MSKCC).
Main Results:
- Phase I and II trials indicate no increase in postsurgical complication rates with single-dose IORT.
- Cosmetic outcomes require longer follow-up for comprehensive assessment.
Conclusions:
- Intraoperative radiation therapy (IORT) shows promise as a segmental treatment for breast cancer.
- Further long-term data is necessary to fully establish efficacy and cosmetic results of IORT.
