title: A mycotic pulmonary artery aneurysm presenting as an endobronchial mass.
abstract: We report the case of a 49-year-old woman who developed an endobronchial mycotic pulmonary artery aneurysm (PAA) as a complication of pneumonia. After presenting with patchy infiltrates, she developed right lung atelectasis. A noncontrast chest CT scan revealed a mass in the right hilum, and bronchoscopy identified an obstructing lesion in the right mainstem bronchus. Unfortunately, biopsy caused massive hemorrhage, and the patient died. An autopsy identified a mycotic PAA that had invaded the right mainstem. The case suggests that a contrasted CT scan should be included in the evaluation of endobronchial masses and that PAA should be included in the differential diagnosis of such lesions.
authors.affiliation: University of Alabama at Birmingham, Birmingham, AL, USA.
authors.forename: Mark T
authors.initials: MT
authors.lastname: Dransfield
authors.forename: James E
authors.initials: JE
authors.lastname: Johnson
mesh_terms: D000785:Aneurysm, Infected / Q000150:complications / Q000175:diagnosis*; D001982:Bronchial Diseases / Q000150:complications / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011651:Pulmonary Artery; D013290:Streptococcal Infections / Q000150:complications / Q000175:diagnosis*; D034363:Viridans Streptococci