Felis ISSN 2398-2950

Pericardium: neoplasia - heartbase tumor

Synonym(s): Aortic body tumor, chemodectoma, nonchromaffin paraganglioma

Contributor(s): Phil Fox, Irene Rochlitz

Introduction

  • Very rare, non-functional neoplasm (chemodectoma) of chemoreceptor zone of aortic body.
  • Very slow growing; may be well circumscribed or may infiltrate around the great vessels.
  • Signs: related to pericardial effusion and development of cardiac tamponade.
  • Diagnosis: radiography, echocardiography, surgical exploration.
  • Treatment: pericardiocentesis, antiarrhythmics, partial pericardiectomy, surgical excision.
  • Prognosis: guarded, good if complete excision possible.

Pathogenesis

Pathophysiology

  • Chemodectoma   →   pericardial effusion   →   cardiac tamponade   →   right-sided cardiac failure.

Timecourse

  • Very slow growing. May be incidental finding at post-mortem.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers


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