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Sentinel node localization in breast carcinoma.

Muhammad Hasnain Raza Haider1, Tanwir Khaliq, Nadeem Ahmed

  • 1Department of Surgery, Pakistan Institute of Medical Sciences, Islamabad.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|April 29, 2005
PubMed
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Sentinel lymph node biopsy demonstrated a 100% success rate in identifying the sentinel node for early breast cancer staging. This technique showed high accuracy in predicting axillary lymph node metastasis.

Area of Science:

  • Oncology
  • Surgical Pathology
  • Medical Imaging

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 status.

Purpose of the Study:

  • To evaluate the success rate of sentinel node dissection.
  • To determine the sensitivity of sentinel node biopsy in detecting axillary lymph node metastasis in clinically node-negative breast cancer patients.

Main Methods:

  • A case series involving 15 patients with early breast carcinoma.
  • Patients received radiocolloid and/or isosulfan blue for sentinel node identification.
  • Sentinel nodes were examined intra-operatively (frozen section) and histopathologically; standard axillary clearance was performed subsequently.

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Main Results:

  • Sentinel lymph node was successfully excised in all 15 patients (100% success rate).
  • Sentinel node pathology accurately predicted axillary nodal status in 14 patients.
  • The sensitivity of SLNB was 93.33%, with a positive predictive value of 100%.

Conclusions:

  • Sentinel node biopsy is a highly successful and accurate method for staging the axilla in early breast cancer.
  • Further prospective randomized trials are needed to fully establish the role of SLNB in breast cancer management before replacing standard axillary lymphadenectomy.