Correlating computed tomographic angiography of pulmonary circulation with clinical course and disease burden in patients with tetralogy of Fallot and pulmonary atresia

•Pulmonary circulation in patients with TOF and pulmonary atresia can be extremely complex.•The type of pulmonary circulation correlates with arborization of the pulmonary artery.•There is a relationship between type of pulmonary circulation and number of MAPCAs.•The morphology of pulmonary circulation determines the successful corrective surgery.•All patients carry risk from serial diagnostic imaging and palliative management.