Related Experiment Video
Updated: Jun 1, 2026
07:51
The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
Published on: June 1, 2019
Surgical technical details improving sentinel node identification in breast cancer
Oncology Reports
|May 19, 2011
Summary
Sentinel axillary lymphadenectomy accurately identifies breast cancer spread. This minimally invasive technique is crucial for staging, especially in early-stage breast cancer, improving patient outcomes.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Sentinel lymph node biopsy is a key staging procedure for breast cancer.
- Accurate axillary nodal status assessment is vital for treatment planning.
Purpose of the Study:
- To evaluate the efficacy and accuracy of sentinel axillary lymphadenectomy with intraoperative lymphatic mapping for breast cancer staging.
- To assess the sensitivity and specificity of sentinel lymph node identification.
Main Methods:
- Fifty female patients with breast cancer underwent sentinel axillary lymphadenectomy and intraoperative lymphatic mapping.
- Blue-stained sentinel lymph nodes were identified and analyzed for metastasis.
Main Results:
- The blue-stained sentinel lymph node was identified in 76.5% of procedures.
- The sentinel lymph node accurately identified axillary nodal status in 92.3% of cases.
- Histologic metastasis was found in 41% of identified sentinel nodes, with 50% of positive nodes solely invaded.
Conclusions:
- Sentinel axillary lymphadenectomy is a sensitive (84%) and specific (100%) procedure for breast cancer staging.
- Meticulous surgical technique is essential for optimal sentinel lymph node identification.
- This minimally invasive approach offers a valuable alternative, particularly for small breast carcinomas.
