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Vagal body tumors.

H A Arts1, P A Fagan

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|July 1, 1991
PubMed
Summary

Painless neck masses may indicate vagal body tumors, often presenting with normal cranial nerve function. Conservative treatment may be suitable for selected cases, potentially delaying surgery until symptoms worsen.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Oncology

Background:

  • Vagal body tumors, a type of paraganglioma, can present as neck masses.
  • Understanding their behavior and treatment is crucial for managing head and neck tumors.

Observation:

  • Six cases of vagal body tumors were reviewed, all presenting as painless neck masses.
  • Cranial nerve function was initially normal in most cases, with otologic symptoms only appearing with temporal bone involvement.
  • Tumor progression occurred post-radiotherapy in four patients, and one had lymph node metastases.

Findings:

  • A high incidence of multiple head and neck paragangliomas (10 in 6 patients) was observed, indicating synchronous or metachronous lesions.
  • Lower cranial nerves are often threatened bilaterally due to the high incidence of multiple tumors.
  • Vagal and accessory nerve paralysis is frequently unavoidable during surgical resection.

Implications:

  • Conservative management may be appropriate for selected vagal body tumor cases.
  • Delaying surgery until cranial nerve impairment or threat to vital structures is evident is a viable strategy.
  • Early detection and management of synchronous/metachronous lesions are vital for preserving neurological function.

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