CTICasesCoronary-to-Pulmonary Artery Fistula
Imaging findings
Chest CT shows small, abnormal tortuous vessels anterior to the main pulmonary artery. Right coronary angiogram confirms a small communication (fistula) between branches of the right coronary artery and the main pulmonary artery with a contrast blush.
Key takeaways
Coronary-pulmonary artery fistulas are rare congenital vascular anomalies. Small fistulas are typically asymptomatic and discovered incidentally on CT or coronary angiography, requiring no intervention.
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