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Published on: June 1, 2019
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Sentinel node biopsy in breast cancer revisited
Mohammad Omair1, Dhafir Al-Azawi2, Gregory Bruce Mann3
1Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Australia.
Summary
Sentinel node biopsy has revolutionized breast cancer axillary management, shifting from radical excisions to a standard approach for node-negative patients. This review details its evolution, current use, and future directions in breast cancer care.
Area of Science:
- Oncology
- Surgical Oncology
- Breast Cancer Management
Background:
- The axilla is a critical site for breast cancer metastasis.
- Historically, radical axillary dissection was standard for nodal staging.
- Evolving treatment paradigms focus on minimizing morbidity while ensuring oncologic control.
Purpose of the Study:
- To review the historical development and clinical introduction of sentinel node biopsy (SNB).
- To discuss the current uncertainties, limitations, and future potential of SNB in breast cancer management.
- To highlight the significant shift in axillary staging and treatment strategies.
Main Methods:
- Review of historical surgical techniques for axillary staging.
- Analysis of the evolution and adoption of lymphatic mapping and SNB.
- Discussion of clinical data and expert consensus regarding SNB indications and outcomes.
Main Results:
- Sentinel node biopsy has become the standard of care for clinically node-negative breast cancer patients.
- SNB has significantly reduced the need for complete axillary dissection, lowering morbidity.
- Ongoing research addresses its application in specific patient subgroups and its limitations.
Conclusions:
- Sentinel node biopsy represents a paradigm shift in breast cancer axillary management.
- Continued research is essential to refine SNB techniques and expand its appropriate use.
- Selective management of the axilla, guided by SNB, optimizes patient outcomes and quality of life.
