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A mycotic pulmonary artery aneurysm presenting as an endobronchial mass

Mark T Dransfield1, James E Johnson

  • 1University of Alabama at Birmingham, Birmingham, AL, USA.

Chest
|October 14, 2003
PubMed

Insights

A rare endobronchial mycotic pulmonary artery aneurysm (PAA) complicated pneumonia in a 49-year-old woman. This case highlights the need for contrasted CT scans and considering PAA in endobronchial mass evaluations.

Area of Science:

  • Pulmonology
  • Vascular Surgery
  • Infectious Diseases

Background:

  • Pneumonia can lead to rare complications.
  • Pulmonary artery aneurysms (PAAs) are uncommon vascular conditions.

Observation:

  • A 49-year-old woman presented with pneumonia, patchy infiltrates, and right lung atelectasis.
  • A noncontrast CT scan revealed a right hilar mass.
  • Bronchoscopy identified an obstructing lesion in the right mainstem bronchus.

Findings:

  • The obstructing lesion was an endobronchial mycotic pulmonary artery aneurysm (PAA).
  • The mycotic PAA invaded the right mainstem bronchus.
  • Biopsy of the lesion resulted in massive hemorrhage, leading to patient death.

Implications:

  • Contrasted CT scans are crucial for evaluating endobronchial masses.
  • Pulmonary artery aneurysms (PAAs) should be considered in the differential diagnosis of endobronchial masses.
  • Early and accurate diagnosis of mycotic PAAs is vital for patient outcomes.

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