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 and angiogram 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.