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Breast cancer: chest wall recurrences
1Department of Radiation Oncology, Washington University School of Medicine, 4939 Children's Place, Suite 5500, Box 8224/21, St. Louis, MO 63110, USA. taylor@radonc.wustl.edu
Current Treatment Options in Oncology
|June 12, 2002
Summary
Adjuvant irradiation after mastectomy helps prevent breast cancer recurrence. For patients with prior radiation, re-treatment strategies focus on debulking tumors and adjusting radiation fields and doses to normal tissue tolerance, often using sensitizers like hyperthermia.
Area of Science:
- Oncology
- Radiation Oncology
- Surgical Oncology
Background:
- Mastectomy with adjuvant irradiation is standard for high-risk breast cancer patients.
- Local/regional recurrences can occur despite prior irradiation.
- Management of recurrence depends on disease extent, patient health, and prior treatments.
Purpose of the Study:
- To outline management strategies for local/regional breast cancer recurrence after mastectomy.
- To detail approaches for patients with and without prior irradiation therapy.
- To highlight the role of radiation sensitizers in re-treatment scenarios.
Main Methods:
- Risk stratification based on clinical and pathological tumor/nodal features.
- Systemic or surgical debulking of recurrent disease.
- Comprehensive chest wall and regional lymphatic irradiation.
- Radiation field design and dose adjustment based on prior therapy and tissue tolerance.
- Use of radiation sensitizers (hyperthermia, 5-fluorouracil).
Main Results:
- Prior irradiation necessitates modified radiation field design and dose adjustments.
- Radiation sensitizers, like hyperthermia, can enhance tumor response in re-treatment cases.
- Effective management balances tumor debulking with normal tissue tolerance.
Conclusions:
- Recurrent breast cancer after mastectomy requires tailored management based on prior treatments.
- Radiation sensitizers are crucial for achieving therapeutic benefit in previously irradiated patients.
- Optimizing radiation delivery while respecting tissue tolerance is key for successful re-treatment.