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Related Experiment Videos

Sentinel node biopsy in cutaneous melanoma.

Jørgen Lock-Andersen1, Janne Horn, Helle Sjøstrand

  • 1Department of Plastic Surgery, Roskilde Amts Sygehus Roskilde, Køgevej 7-13, DK-4000 Roskilde, Denmark. j.lock-andersen@dadlnet.dk

Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery
|January 24, 2006
PubMed
Summary

Sentinel lymph node biopsy (SLNB) accurately stages cutaneous malignant melanoma (CMM) patients. This technique identifies metastatic lymph nodes, guiding treatment and improving patient outcomes with a low false-negative rate.

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Area of Science:

  • Oncology
  • Surgical Oncology

Background:

  • Regional lymph node status is a critical prognostic indicator for cutaneous malignant melanoma (CMM).
  • Sentinel lymph node biopsy (SLNB) is a key diagnostic procedure for assessing lymph node involvement.

Purpose of the Study:

  • To present a technique for preoperative lymphatic mapping and intraoperative guidance using vital dye and a handheld gamma probe for SLNB in CMM patients.
  • To evaluate the efficacy and outcomes of routine SLNB over a three-year follow-up period.

Main Methods:

  • The study involved 198 patients with primary CMM undergoing lymphatic mapping and SLNB.
  • Intraoperative assessment utilized vital dye and a handheld gamma probe.
  • Follow-up data was collected for a median of 24 months.

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Main Results:

  • SLNB identified metastatic disease in 31% of patients (61/198).
  • An 8% false-negative rate was observed for SLNB.
  • Node-positive patients had significantly higher recurrence rates (26%) and mortality (18%) compared to node-negative patients (8% recurrence, 3% mortality).

Conclusions:

  • The presented SLNB technique is a valuable tool for staging CMM.
  • Accurate staging facilitates patient selection for further metastatic screening and adjuvant treatment trials.