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Metastatic meningioma extending into the left atrium through the pulmonary vein

Pey-Jen Yu1, Kevin M Hyman1, Hugh A Cassiere1

  • 1Department of Cardiovascular and Thoracic Surgery, North Shore University Hospital, Manhasset, New York.

The Annals of Thoracic Surgery
|June 3, 2014
PubMed

Insights

Metastatic meningioma, a rare form of cancer spread, can extend from the lung into the left atrium via the pulmonary vein. This case highlights a unique instance of intracranial meningioma metastasis to the lung.

Area of Science:

  • Oncology
  • Pathology
  • Cardiovascular Medicine

Background:

  • Left atrial extension of pulmonary tumors is uncommon, typically linked to primary lung cancers.
  • Metastatic disease rarely involves this pathway, making such cases exceptional in clinical practice.

Observation:

  • A patient with a history of intracranial meningioma resections presented with a right lower lobe lung mass.
  • The lung mass demonstrated extension into the left atrium through the pulmonary vein.

Findings:

  • Histopathological analysis confirmed the lung mass as a metastatic meningioma.
  • This represents the first reported case of metastatic meningioma involving pulmonary venous and left atrial structures.

Implications:

  • This case expands the known metastatic patterns of meningioma.
  • It underscores the importance of considering rare metastatic origins in pulmonary nodules with cardiac involvement.
  • Further research into the mechanisms and clinical management of meningioma metastasis is warranted.

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