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Sentinel lymph node biopsy for melanoma

B M Gogel1, J A Kuhn, K M Ferry

  • 1Department of Surgery, Baylor University Medical Center, Dallas, Texas 75246, USA.

American Journal of Surgery
|February 2, 1999
PubMed
Summary
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Sentinel lymph node biopsy using a gamma probe offers accurate melanoma staging. This minimally invasive procedure demonstrates a high success rate and low risk of nodal basin failure, improving patient outcomes.

Area of Science:

  • Oncology
  • Surgical Pathology

Background:

  • Regional lymph node status is a critical prognostic factor for melanoma patients.
  • Sentinel lymph node biopsy (SLNB) offers a less morbid alternative to elective lymph node dissection (ELND) for staging.

Purpose of the Study:

  • To evaluate the efficacy and safety of gamma probe-guided SLNB in intermediate-thickness melanoma.
  • To assess the accuracy of pathological staging and the incidence of nodal recurrence after SLNB.

Main Methods:

  • Sixty-eight melanoma patients underwent gamma probe-guided SLNB without ELND.
  • Patients were followed for a mean of 22 months to monitor for disease recurrence.

Main Results:

  • A sentinel node was identified in all patients, demonstrating high technical success.

Related Experiment Videos

  • 9% of patients had positive sentinel nodes; 3% experienced nodal recurrence, with one case of previously undetected microscopic disease.
  • 3% of patients developed systemic disease.

    • Conclusions:

    • Gamma probe-guided SLNB is a technically successful and accurate method for pathological staging in melanoma.
    • This technique provides reliable staging with a low rate of nodal basin failure, enhancing patient management.