대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Courtesy

S

Imaging Findings

Chest radiograph shows mass shadow in the left lower lobe. Chest CT scans show dilated vascular structure originated from descending thoracic aorta (arrows). Enlarged vascular structures are seen in the basal segment of left lower lobe.

Discussion

Proximal interruption of the pulmonary artery

Focal stenotic or atretic segment in PA
Opposite the aortic arch
Hypoplastic lung with decreased volume
Asymptomatic or hemoptysis

Abnormal vessels

Right
Hypertrophied bronchial a.
Ascending aorta, aortic arch
Rt subclavian or innominate a.
Left
Descending aorta
Lt subclavian or innominate a.
Hypertrophied bronchial a.

Keywords

Lung, Vascular, Congenital,