{Reference Type}: Case Reports
{Title}: Pulmonary artery aneurysm protruding into the bronchus as an endobronchial mass: A case report.
{Author}: Li M;Zhu WY;Wu RR;Wang L;Mo MT;Liu SN;Zhu DY;Luo Z;
{Journal}: World J Clin Cases
{Volume}: 11
{Issue}: 28
{Year}: 2023 Oct 6
{Factor}: 1.534
{DOI}: 10.12998/wjcc.v11.i28.6792
{Abstract}: <B>BACKGROUND: </B>Pulmonary artery (PA) aneurysms are usually diagnosed radiographically and present as small or large lesions resembling inflammation or a neoplasm on chest radiography. It has rarely been reported as an endobronchial mass.<BR><B>METHODS: </B>We report the case of a 64-year-old man who presented with recurrent hemoptysis. Bronchoscopy revealed a tumorous protrusion blocking the right middle lobe bronchus, which was confirmed to be a PA aneurysm using endobronchial ultrasound bronchoscopy and computed tomography angiography.<BR><B>CONCLUSIONS: </B>Although endobronchial PA aneurysms are rare, bronchoscopists need to add this lesion to the list of endobronchial masses for which a biopsy is to be assiduously avoided.