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Related Experiment Videos

Functional neck dissection for the clinically negative neck: effectiveness and controversies.

Luis Lassaletta1, Marta García-Pallarés, Eduardo Morera

  • 1Department of Otolaryngology, La Paz University Hospital, Madrid, Spain.

The Annals of Otology, Rhinology, and Laryngology
|February 28, 2002
PubMed
Summary

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Functional neck dissection effectively controls cancer metastasis in clinically negative (cN0) necks. However, the prognostic role of extracapsular spread and the cause of recurrences in pathologically negative (pN0) necks require further investigation.

Area of Science:

  • Head and Neck Surgery
  • Surgical Oncology
  • Otolaryngology

Background:

  • Head and neck cancers, including laryngeal and hypopharyngeal types, often present with clinically negative (cN0) necks.
  • Accurate staging and management of the neck are crucial for patient survival.
  • Functional neck dissection is a surgical technique aimed at removing lymph nodes while preserving function.

Purpose of the Study:

  • To evaluate the efficacy of functional neck dissection in managing metastasis to the cN0 neck.
  • To analyze neck recurrences in pathologically negative (pN0) nodes after dissection.
  • To investigate the role of extracapsular spread in cN0 neck disease.

Main Methods:

  • Retrospective analysis of 172 patients (253 dissected fields) with cN0 laryngeal or hypopharyngeal cancer.

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  • Minimum 5-year follow-up.
  • Re-evaluation of surgical specimens from neck recurrences in pN0 necks using cytokeratin immunostaining for micrometastasis.

    • Main Results:

    • Occult metastasis was detected in 30% of patients.
    • Extracapsular spread was identified in 39% of positive lymph nodes.
    • The overall neck recurrence rate was 5.2%.
    • Micrometastasis was found in 1 of 4 re-evaluated pN0 neck recurrence cases.

    Conclusions:

    • Functional neck dissection offers effective neck control and survival benefits for cN0 head and neck cancer.
    • The prognostic significance of extracapsular spread in cN0 necks remains uncertain.
    • Micrometastasis alone may not fully explain recurrences observed in pN0 necks.