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Multiple malignant paragangliomas. A case report.

D Pantanowitz1, P Sareli

  • 1Department of Surgery, University of the Witwatersrand, Johannesburg.

South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|October 21, 1989
PubMed
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This study describes a rare case of two synchronous malignant branchiomeric paragangliomas in a patient. These tumors, a carotid body tumor and a cardiac chemodectoma, were both locally invasive.

Area of Science:

  • Neuroendocrinology
  • Oncology
  • Surgical Pathology

Background:

  • Extra-adrenal paraganglia form distinct branchiomeric (parasympathetic) and paraxial/para-aortic (sympathetic) networks.
  • Paragangliomas are rare neuroendocrine tumors arising from these paraganglia.

Observation:

  • A patient presented with two synchronous tumors originating from the branchiomeric network.
  • These included a carotid body tumor (associated with the glossopharyngeal nerve) and a cardiac chemodectoma (associated with the vagus nerve).

Findings:

  • Both synchronous tumors demonstrated local invasiveness.
  • Based on local invasion, both paragangliomas were classified as malignant.

Implications:

  • This case highlights the potential for synchronous, malignant branchiomeric paragangliomas.

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  • It underscores the importance of thorough evaluation and consideration of malignancy in branchiomeric paragangliomas, even when synchronous.
  • Further research into the behavior and management of such synchronous tumors is warranted.