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The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
Published on: June 1, 2019
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Sentinel Lymph Node Biopsy in Breast Cancer
1Department of Pathology, M.S. Ramaiah Medical College, MSR Nagar, MSRIT post, Bangalore - 560 054, India.
World Journal of Oncology
|November 18, 2017
Summary
Sentinel lymph node biopsy is a minimally invasive staging procedure for breast cancer. Identifying sentinel nodes negative for cancer spares patients extensive axillary dissection and reduces complications.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Axillary lymph node status is a critical prognostic indicator for breast cancer recurrence and survival.
- Current standard treatment involves complete axillary lymph node dissection.
- Sentinel lymph node biopsy offers a less invasive alternative for staging.
Purpose of the Study:
- To review the role and techniques of sentinel lymph node biopsy in breast cancer management.
- To discuss the detection of micrometastases and its impact on surgical decisions.
Main Methods:
- Sentinel lymph node mapping using blue dye and radiotracer.
- Intraoperative assessment via imprint cytology and frozen sections.
- Postoperative examination with serial sectioning and immunohistochemistry.
Main Results:
- Sentinel lymph node biopsy accurately identifies metastatic involvement.
- Negative sentinel nodes allow avoidance of complete axillary dissection, reducing morbidity.
- Immunohistochemistry enhances detection of micrometastases.
Conclusions:
- Sentinel lymph node biopsy is an accurate and minimally invasive staging procedure for breast cancer.
- It enables tailored surgical management, sparing patients unnecessary axillary dissection.
- This approach improves outcomes and reduces postoperative complications.

