CTICasesHigh Anomalous Insertion of the Inferior Vena Cava
Imaging findings
Chest CT shows a vascular anomaly where the entire superhepatic inferior vena cava follows an abnormal lateral course, passes through the lung/pleural space, and inserts anomalously into the high right atrium at the same level as the superior vena cava. No anomalous pulmonary venous drainage is identified.
Key takeaways
High anomalous insertion of the IVC is a rare congenital vascular variant. It is distinct from azygos continuation of the IVC, as the hepatic portion of the IVC is intact but inserts abnormally high into the atrium.
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