Pulmonary Vein Stenosis in a Newborn: A Commonly Overlooked Diagnosis

Figure 2

Cardiac catheterization after injection in (a) and (b) pulmonary arteries: (a) common pulmonary vein with stenosis at the connection point draining into the left atrium and (b) right lower PV atresia with drainage through the collateral network to the right vertebral vein and azygos vein and right upper PV with severe segmental hypoplasia; PV: pulmonary vein.