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Isolated right subclavian artery arising from the right pulmonary artery via a right-sided ductus arteriosus with associated pulmonary steal phenomenon

Abstract We present a patient with DiGeorge syndrome and an isolated right subclavian artery arising from the right pulmonary artery via a right-sided ductus arteriosus. The patient showed a subclavian and pulmonary steal with perfusion of the right arm and right lung via retrograde circulation in the right vertebral artery. The patient underwent successful surgical repair.