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When the diagnosis is a zebra: pulmonary artery aneurysm

Vishnu Singh1, Mariya Vaksman, Igor Mamkin

  • 1Division of Cardiology, New York Methodist Hospital-Weill Medical College of Cornell University, Brooklyn, New York 11215, USA.

Connecticut Medicine
|September 26, 2009
PubMed

Insights

A rare pulmonary artery aneurysm (PAA) caused recurrent hemoptysis in a patient. Prompt diagnosis via CT angiography and intervention averted a life-threatening hemorrhage, highlighting PAA in differential diagnoses.

Area of Science:

  • Cardiology
  • Radiology
  • Thoracic Surgery

Background:

  • Recurrent hemoptysis can stem from various causes, including infection or malignancy.
  • Atypical presentations of common conditions necessitate a broad differential diagnosis.

Observation:

  • A patient presented with recurrent hemoptysis, initially suspected to be infection or malignancy.
  • Standard investigations for infection and malignancy were negative.
  • Sixty-four-slice computed tomographic angiography (CTA) revealed a right pulmonary artery aneurysm (PAA).

Findings:

  • Pulmonary artery aneurysm (PAA) is a rare condition, congenital or acquired.
  • Acquired PAA etiologies include chronic thromboembolic pulmonary hypertension, infections, vasculitis, neoplasms, and trauma.
  • Timely diagnosis and intervention by interventional radiologists and thoracic surgeons prevented hemorrhage.

Implications:

  • This case underscores the importance of considering pulmonary artery aneurysms in the differential diagnosis of hemoptysis.
  • Increased awareness of PAA can lead to earlier diagnosis and management.
  • Multidisciplinary collaboration is crucial for managing rare vascular conditions.

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