CTICasesTAPVR to Coronary Sinus
Imaging findings
Cardiac CT in a 5-day-old infant shows a left-sided aortic arch and total anomalous pulmonary venous return (TAPVR). All pulmonary veins drain into a common collector posterior to the left atrium, which connects directly to the coronary sinus and drains into the right atrium.
Key takeaways
TAPVR to the coronary sinus is a subtype of cardiac/subcardiac anomalous venous return. The oxygenated blood mixes in the right atrium, requiring an ASD/PFO for systemic perfusion, and is treated by surgical baffling to the left atrium.
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