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Related Experiment Videos

Endoscopic selective neck dissection in a porcine model.

David J Terris1, Ashkan Monfared, Adrian Thomas

  • 1Department of Otolaryngology--Head and Neck Surgery, Medical College of Georgia, Augusta 30912-4060, USA. dterris@mcg.edu

Archives of Otolaryngology--Head & Neck Surgery
|June 18, 2003
PubMed
Summary

This study demonstrates that endoscopic selective neck dissection (SND) is feasible in pigs, achieving minimally invasive surgery for the node-negative neck. The technique successfully removed tissues and lymph nodes with minimal complications.

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Area of Science:

  • Surgical Oncology
  • Minimally Invasive Surgery
  • Head and Neck Surgery

Background:

  • Selective neck dissection (SND) is a standard procedure for staging and treating the node-negative neck.
  • Traditional open SND can lead to significant morbidity.
  • Endoscopic approaches offer potential for reduced invasiveness.

Purpose of the Study:

  • To evaluate the feasibility of performing a selective neck dissection (SND) using endoscopic techniques.
  • To assess the safety and efficacy of an endoscopic approach in a preclinical model.

Main Methods:

  • A prospective, nonrandomized experimental investigation was conducted in a porcine model.
  • Unilateral endoscopic SNDs were performed utilizing hernia balloon expansion and low-pressure carbon dioxide insufflation to create an operative pocket.

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  • Key data including operative time, blood loss, and specimen characteristics were prospectively recorded.

    • Main Results:

    • Fourteen endoscopic SNDs were successfully completed without conversion to open surgery.
    • Median operative time was 131 minutes, with median blood loss of 4 mL.
    • Specimen analysis revealed an average of 4.8 lymph nodes retrieved, with no major complications observed.

    Conclusions:

    • Endoscopic neck dissection is achievable in a porcine model through strategic operative pocket creation.
    • This technique merges selective neck dissection with endoscopic technology, promising truly minimally invasive surgery.
    • The findings support further investigation into endoscopic SND for clinical application in node-negative neck cases.