Vieussens' arterial ring forming a coronary-pulmonary artery fistula with large aneurysmal dilatation: a case report.

ABSTRACT:

Background

Vieussens' arterial ring (VAR) is an embryonic conotruncal ring remnant that represents a rare vascular anomaly involving a connection between the right coronary artery (RCA) and the left anterior descending artery (LAD). We describe a unique case of VAR associated with large aneurysmal dilatation, which presents as the formation of a fistula between the coronary artery and pulmonary artery.

Case summary

An 80-year-old Japanese woman presented with an asymptomatic mediastinal mass that was incidentally detected on computed tomography. Subsequent imaging over 2 years revealed the progression of the two masses connecting the RCA to the LAD measuring 8 × 7 mm and 28 × 21 mm in diameter. Transthoracic echocardiography identified a cystic lesion anterior to the right v

SUBMITTER: Moriyama S 

PROVIDER: S-EPMC11450478 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature