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Sentinel lymph node biopsy in the pediatric population.

Kenneth W Gow1, Louis B Rapkin, Thomas A Olson

  • 1Division of Pediatric Surgery, Department of Surgery, Emory School of Medicine, Atlanta, GA, USA. kenneth.gow@seattlechildrens.org

Journal of Pediatric Surgery
|December 2, 2008
PubMed
Summary

Sentinel lymph node biopsy (SLNB) is an accurate method for diagnosing childhood neoplasms. While generally safe, some pediatric patients may need sedation for successful sentinel lymph node biopsy procedures.

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Area of Science:

  • Pediatric Oncology
  • Surgical Oncology
  • Diagnostic Imaging

Background:

  • Sentinel lymph node biopsy (SLNB) is a recently adopted technique for diagnosing childhood neoplasms.
  • Accurate staging is crucial for effective treatment planning in pediatric cancers.

Purpose of the Study:

  • To evaluate the safety and efficacy of SLNB in patients under 19 years old.
  • To assess the utility of SLNB in identifying metastatic disease in pediatric neoplasms.

Main Methods:

  • A retrospective review of 20 patients under 19 years old who underwent SLNB over a 5-year period.
  • SLNB was performed for various pediatric cancers including sarcomas and skin neoplasms.
  • Technetium 99m sulfur microcolloid and Lymphazurin 1% were used for sentinel node identification, with intraoperative gamma probe guidance.

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Main Results:

  • SLNB was performed on 20 pediatric patients with various neoplasms, including sarcomas and skin cancers.
  • Five patients (25%) were found to have metastatic disease.
  • No complications were reported, and all patients had no recurrence at an average follow-up of 2.2 years.

Conclusions:

  • Sentinel lymph node biopsy is an accurate diagnostic tool for pediatric neoplasms.
  • Sedation may be necessary for younger children undergoing SLNB.
  • Isolation of the sentinel node can be more challenging in pediatric patients.