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Is axillary dissection necessary after positive sentinel node biopsy? Yes!
1Lynn Sage Breast Center, Department of Surgery, Northwestern University, Chicago, Illinois, USA. mmorrow@nmh.org
Annals of Surgical Oncology
|October 16, 2001
Summary
Sentinel node biopsy is a staging tool, but completion axillary dissection is crucial. About 50% of patients with positive sentinel nodes have further metastasis, making dissection vital for prognosis and survival.
Area of Science:
- Oncology
- Surgical Oncology
- Breast Cancer Management
Background:
- Axillary dissection has historically served as a staging procedure in cancer care.
- Sentinel node biopsy offers accurate nodal staging, prompting re-evaluation of completion axillary dissection necessity when the sentinel node is positive.
Purpose of the Study:
- To summarize current data on the role and necessity of completion axillary dissection following a positive sentinel node biopsy.
- To inform clinical practice regarding axillary staging in breast cancer patients.
Main Methods:
- Review and synthesis of existing data regarding sentinel node metastasis and the impact of completion axillary dissection.
- Analysis of prognostic information, local control, and survival benefits associated with completion dissection.
Main Results:
- Approximately 50% of patients with sentinel node metastasis are found to have additional positive lymph nodes upon completion axillary dissection.
- Completion axillary dissection provides significant prognostic information for these patients.
Conclusions:
- Completion axillary dissection is essential for accurate staging and offers potential survival benefits in patients with positive sentinel nodes.
- Until definitive results from the American College of Surgeons Z11 study are available, completion axillary dissection should be maintained as standard practice.