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Axillary recurrence in breast cancer
D B Kingsmore1, D J Hole, C R Gillis
1The University Department of Surgery, Western Infirmary, Dumbarton Road, Glasgow G11 6NT, Scotland, UK.
Summary
Axillary recurrence in breast cancer is linked to both poor tumor pathology and insufficient axillary treatment. Optimal management requires adequate axillary staging and treatment to minimize recurrence risk.
Area of Science:
- Oncology
- Surgical Pathology
- Radiotherapy
Background:
- Axillary recurrence is a significant concern in breast cancer management.
- Understanding the drivers of axillary recurrence is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the relationship between axillary recurrence and the adequacy of axillary treatment.
- To determine if adverse pathological features contribute to axillary recurrence.
Main Methods:
- Retrospective review of 2122 women under 75 with invasive breast cancer (1986-1991).
- Data abstraction on surgical procedures, pathology, post-operative treatments, and axillary recurrence.
- Analysis of pathological, treatment, and patient factors influencing axillary recurrence risk.
Main Results:
- Inadequate axillary treatment (staging, radiotherapy, or clearance) more than doubled the risk of recurrence.
- Delayed axillary treatment led to more frequent multiple recurrences, often uncontrolled at death.
- Inadequate surgery increased recurrence rates despite adjuvant therapies; lymphoedema risk rose with combined radiotherapy and surgery.
Conclusions:
- Axillary recurrence is associated with adverse tumor pathology and inadequate axillary treatment.
- Optimal axillary management includes adequate staging (≥4 nodes) and treatment (clearance or radiotherapy plus endocrine therapy) to minimize recurrence.