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Related Experiment Videos

Non-squamous malignancy in lymph nodes: the occult primary

A S Jones1, D E Phillips, J A Cook

  • 1Department of Otorhinolaryngology, University of Liverpool, UK.

Clinical Otolaryngology and Allied Sciences
|August 1, 1993
PubMed
Summary

This study analyzed 105 patients with non-squamous malignancy in neck glands. Finding a head and neck primary improved survival, unlike distant primaries or unknown origins.

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Area of Science:

  • Oncology
  • Head and Neck Surgery
  • Pathology

Background:

  • Metastatic neck disease often presents without an obvious primary tumor.
  • Non-squamous malignancies in the neck present diagnostic and prognostic challenges.

Purpose of the Study:

  • To analyze the outcomes of patients with neck masses that are non-squamous malignancies.
  • To determine survival rates based on primary tumor location (head and neck, distant, or unknown).

Main Methods:

  • Retrospective analysis of 105 patients with neck masses diagnosed as non-squamous malignancies.
  • Categorization of patients based on primary tumor site: head and neck, distant, or unknown.
  • Survival analysis using Kaplan-Meier estimates and log-rank tests.

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Main Results:

  • Overall 5-year survival was 28%. Patients with a head and neck primary had a 44% 5-year survival.
  • Patients with distant primaries had a median survival of 6 months; unknown primaries had a median survival of 18 months.
  • Undifferentiated/anaplastic tumors and adenocarcinomas were most common; survival was influenced by histology and age.

Conclusions:

  • Identifying a head and neck primary in non-squamous neck malignancies is associated with significantly better survival.
  • Treatment for patients with a head and neck primary offers a rewarding prognosis, comparable to squamous cell carcinoma.
  • Excision biopsy of the neck node did not impact survival in this cohort.