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Local recurrence after breast-conserving surgery and radiotherapy
Helvetica Chirurgica Acta
|April 1, 1989
Summary
Local recurrence after breast-conserving therapy for early-stage breast cancer has a protracted course. Late recurrences and small breast recurrences show favorable prognoses, supporting breast conservation strategies.
Area of Science:
- Oncology
- Surgical Oncology
- Radiation Oncology
Background:
- Breast conservation therapy (BCT) is a standard treatment for early-stage breast cancer.
- Understanding the long-term outcomes of local recurrence after BCT is crucial for patient management.
Purpose of the Study:
- To analyze the time course and prognosis of local recurrence in patients treated with BCT.
- To evaluate survival rates and prognostic factors for breast recurrences.
Main Methods:
- Retrospective analysis of 1593 patients with stage I-II breast cancer treated with complete excision and radiotherapy.
- Assessment of actuarial cumulative breast failure rates, recurrence patterns, and survival following operable relapse.
Main Results:
- Actuarial cumulative breast failure rates were 7% at 5 years, increasing to 20% at 20 years.
- Most recurrences after 10 years were new primary tumors, with 89% of all recurrences being operable.
- Late recurrences (diagnosed after 5 years) had a 5-year survival of 84%; small, breast-confined recurrences had a favorable prognosis.
Conclusions:
- Local recurrence after BCT follows a protracted course and does not necessarily portend a poor prognosis compared to recurrence after mastectomy.
- Salvage mastectomy offered better local control than conservative salvage surgery.
- Diagnosis and surgical management of mammary recurrence are vital components of successful breast-conserving strategies.