Mediastinal bronchial artery aneurysm mimicking a subcarinal tumor.

enhanced CT was performed which revealed a homogeneously enhanced mass that indicated a mediastinal bronchial artery aneurysm ( fig. 2 ). For further evaluation and endovascular treatment, bronchial arteriography was performed and confirmed a mediastinal bronchial An 82-year-old male with bronchiectasis was admitted to our hospital because of hemoptysis. A chest computed tomography (CT) showed a round mass measuring 33 mm in diameter under the tracheal bifurcation ( fig. 1 ). To distinguish between an artery and a tumor, a contrastPublished online: May 31, 2011