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Partial Anomalous Pulmonary Venous Return
Etiology: congenital
Imaging: right pulmonary vein drains below diaphragm into inferior vena cava / hepatic veins = scimitar vein, hypoplastic right lung
Clinical: causes left to right shunt
Cases of Partial Anomalous Pulmonary Venous Return
CXR AP (above) shows a hypoplastic right lung, AP arterial (left) and venous (right) phases of a pulmonary artery angiogram show a right pulmonary (scimitar) vein draining into the inferior vena cava.