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CARDIAC Table of Contents   
Year : 2010  |  Volume : 20  |  Issue : 3  |  Page : 215-217
Case report: Completely unroofed coronary sinus with a left superior vena cava draining into the left atrium studied by cardiovascular magnetic resonance

Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital and Imperial College, Sydney Street, SW3 6NP, London, United Kingdom

Correspondence Address:
Vimal Raj
Royal Brompton Hospital, Sydney Street, London
United Kingdom
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-3026.69359

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A persistent left superior vena cava (LSVC) draining through a dilated coronary sinus into the right atrium is a relatively common congenital cardiovascular anomaly. It is readily identified by cardiovascular magnetic resonance (CMR). However, a LSVC draining into the left atrium (LA) and associated with unroofing of the coronary sinus, with resulting interatrial communication, is rare and may have important clinical consequences. As with any large atrial septal defect, it can be associated with a higher than expected incidence of pulmonary arterial hypertension, systemic embolization, and brain abscesses. In this report, we present a case of a completely unroofed coronary sinus with a persistent LSVC draining directly into the LA and illustrate the role of CMR in the diagnosis and evaluation of such anomalies.

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