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The learning curve in sentinel node biopsy: the ALMANAC experience.
Dayalan Clarke1, Robert G Newcombe, Robert E Mansel
1University Department of Surgery, University of Wales College of Medicine, Heath Park, Cardiff, United Kingdom.
Annals of Surgical Oncology
|March 17, 2004
Summary
Sentinel node biopsy (SNB) training is effective for breast cancer staging. A standardized program helps surgeons achieve high localization and low false-negative rates after 40 procedures.
Area of Science:
- Surgical Oncology
- Breast Cancer Research
Background:
- Sentinel node biopsy (SNB) is a key minimally invasive procedure for axillary staging in breast cancer.
- Surgical procedures, including SNB, involve a learning curve for practitioners.
Purpose of the Study:
- To describe the learning curve associated with sentinel node biopsy (SNB) within the ALMANAC trial.
- To evaluate the efficacy of a standardized training program for surgeons performing SNB.
Main Methods:
- The study involved a validation phase where surgeons performed SNB followed by axillary dissection in 40 consecutive breast cancer patients.
- A mandatory proctored training program was implemented for all participating surgeons.
- Eligibility for the randomized phase required achieving a ≥90% localization rate and ≤5% false-negative rate.
Main Results:
- All 13 surgeons completed the 40-procedure validation phase.
- All surgeons successfully met the predefined targets for localization and false-negative rates.
- The standardized training program facilitated surgeon proficiency.
Conclusions:
- A standardized training program is effective in enabling surgeons to achieve satisfactory sentinel node biopsy (SNB) performance.
- Surgeons can attain acceptable localization and false-negative rates after approximately 40 SNB procedures.