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Published on: June 1, 2019
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Update on Sentinel Lymph Node Methods and Pathology in Breast Cancer
Jules Zhang-Yin1, Etienne Mauel2, Stéphanie Talpe3
1Department of Nuclear Medicine, South Luxembourg Clinic, Vivalia, 6700 Arlon, Belgium.
Diagnostics (Basel, Switzerland)
|February 10, 2024
Summary
Accurate breast cancer staging relies on precise lymph node assessment. The sentinel lymph node procedure is a key technique for identifying early-stage metastases, guiding treatment decisions.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Breast cancer is the most common cancer in women globally.
- Accurate lymph node staging is crucial for prognosis and treatment in breast cancer.
- Current imaging lacks accuracy for detecting early-stage lymph node metastases.
Purpose of the Study:
- To review the sentinel lymph node procedure in breast cancer.
- To focus on practical aspects and histological evaluation protocols.
Main Methods:
- Sentinel node biopsy for identifying the first draining lymph node.
- Intraoperative evaluation of the sentinel node.
- Histological ultra-stratification to detect occult metastases.
Main Results:
- Sentinel node biopsy is valuable for identifying metastatic axillary nodes in early breast cancer.
- The technique allows for prompt lymph node dissection when positive.
- Histological methods improve detection of micrometastases.
Conclusions:
- The sentinel node technique significantly impacts lymph node assessment in breast cancer.
- This review updates knowledge on the procedure and its histological evaluation.
