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Malignant jugulotympanic paraganglioma.

P A Johnstone1, R D Foss, D J Desilets

  • 1Department of Medicine, National Naval Medical Center, Bethesda, Md.

Archives of Pathology & Laboratory Medicine
|September 1, 1990
PubMed
Summary

Metastatic jugulotympanic paragangliomas are rare but can spread to bone. This review and case study highlight late recurrence and spinal metastasis, informing treatment strategies.

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Area of Science:

  • Neuro-oncology
  • Head and Neck Surgery
  • Pathology

Background:

  • Jugulotympanic paragangliomas (glomus jugulare and glomus tympanicum tumors) are neoplasms originating in the head and neck.
  • These tumors share histological similarities with carotid body tumors, both arising from extra-adrenal paraganglia.

Observation:

  • Metastases from jugulotympanic paragangliomas are infrequently reported, with only 20 cases documented.
  • Of these reported metastases, five demonstrated biopsy-proven bone involvement.

Findings:

  • This review examines the literature on metastatic jugulotympanic paragangliomas.
  • A case presented showed local recurrence with regional metastases 10 years post-initial diagnosis.
  • The same case later developed spinal metastasis 13 years after initial presentation.

Implications:

  • Understanding the metastatic potential and patterns of jugulotympanic paragangliomas is crucial for patient management.
  • The review contrasts potential treatment regimens for these rare metastatic tumors.
  • Long-term surveillance is indicated due to the possibility of late recurrence and distant metastasis.

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