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[Sentinel lymphatic node biopsy for breast cancer in practice]
1Gynekologicko-porodnická klinika, Klinika nukleární medicíny a Ustav patologické anatomie. pavelstrnad@lfmotol.cuni.cz
Ceska Gynekologie
|September 1, 2005
Summary
Sentinel lymph node biopsy accurately assesses axillary lymph node status in breast cancer patients, with a high detection success rate. This method allows for targeted evaluation, minimizing morbidity and reliably predicting overall nodal involvement.
Area of Science:
- Oncology
- Surgical Pathology
- Nuclear Medicine
Background:
- Accurate staging of axillary lymph nodes is crucial for breast cancer management.
- Sentinel lymph node biopsy (SLNB) is a minimally invasive technique to assess nodal metastasis.
Purpose of the Study:
- To evaluate the feasibility and accuracy of sentinel lymph node biopsy in women with early-stage breast cancer.
- To compare the effectiveness of radioactive colloid and vital blue dye for lymphatic mapping.
Main Methods:
- A retrospective clinical study involving 169 patients with T1/T2 breast cancer.
- Lymphatic mapping using 99mTc-labeled albumin and vital blue dye, followed by sentinel node detection with a gamma probe.
- Histopathological examination of sentinel and all other axillary lymph nodes.
Main Results:
- Sentinel lymph node detection success rate was 94.7% (160/169 patients).
- False negative rate was 0.6% (1/169 patients).
- Tumor involvement was found in 26.9% of sentinel nodes, accurately predicting axillary node status in 73.1% of cases.
Conclusions:
- Sentinel lymph node biopsy is a feasible and accurate method for staging the axilla in breast cancer.
- SLNB provides directed and precise assessment of axillary involvement with minimal morbidity.
- The technique accurately predicts the status of all axillary lymph nodes in over 94.7% of patients.