CTICasesPulmonary Venous Calcification from Congenital Heart Disease Correction
Imaging findings
CT chest shows diffuse, dense calcification of the pulmonary veins, associated with severe narrowing of the pulmonary venous drainage into the left atrium, a dilated main pulmonary artery, right ventricular hypertrophy, and azygos continuation of the IVC.
Key takeaways
Pulmonary venous calcification is a rare manifestation of chronic, severely elevated pulmonary venous and left atrial pressures. In this patient, it occurred secondary to previous surgical correction of congenital heart disease (such as TAPVR or cor triatriatum), resulting in severe pulmonary venous stenosis and secondary pulmonary arterial hypertension.
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