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Selective sentinel lymph node dissection in breast cancer: experiences from Taiwan
1Department of Surgery, Taichung Veterans' General Hospital, National Yang Ming University, Chung Shan Medical and Dental College, Taiwan, Republic of China. surgery@vghtc.vghtc.gov.tw
The Surgical Clinics of North America
|January 5, 2001
Summary
Sentinel lymph node biopsy using technetium-99m sulfur colloid is effective for breast cancer staging. Negative results indicate lymph node dissection may be safely avoided, improving patient outcomes.
Area of Science:
- Oncology
- Nuclear Medicine
- Surgical Pathology
Background:
- Accurate staging of breast cancer is crucial for treatment planning.
- Sentinel lymph node (SLN) biopsy is a key procedure to assess axillary lymph node metastasis.
- Minimally invasive staging techniques aim to reduce surgical morbidity.
Purpose of the Study:
- To evaluate the utility of technetium-99m sulfur colloid for sentinel lymph node identification in Chinese breast cancer patients.
- To determine the accuracy of SLN biopsy in predicting lymph node metastasis.
- To assess the clinical implications for lymph node dissection.
Main Methods:
- Prospective study involving 58 Chinese breast cancer patients.
- Injection of technetium-99m sulfur colloid for SLN localization.
- Intraoperative gamma probe utilization for sentinel lymph node detection.
Main Results:
- The technetium-99m sulfur colloid method demonstrated high utility in identifying SLNs.
- The positive predictive value for metastasis was 64.5%.
- The negative predictive value was 93.2%, suggesting high reliability in excluding nodal involvement.
Conclusions:
- Sentinel lymph node biopsy is a reliable method for staging breast cancer in this population.
- A negative SLN biopsy result strongly suggests the absence of lymph node metastasis.
- Lymph node dissection can likely be omitted in breast cancer patients with a negative SLN, reducing surgical burden.