2020•Translational Research in AnatomyOpen access
Rare case of asymptomatic superior vena cava duplication with a large dominant left superior vena cava, a hypoplastic right superior vena cava, and a left-sided azygos arch
Adrien Glomaud, Yanis Andriambariarijaona, Clémence Jouhannet, M Petit, Jean Luc Delassus, Bruno Tremblay
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Abstract
A 46-year-old man was found to have an asymptomatic superior vena cava duplication with a large dominant left superior vena cava, a hypoplastic right superior vena cava, and a left-sided azygos arch during a thoracic CT Scan. Persistent left superior vena cava is mostly found in the context of a superior vena cava duplication, but this is the first case to date of such an asymmetrical diameter between the left and right superior vena cava, associated with a left-sided azygos vein. Furthermore, the patient had always been asymptomatic and had no other cardiac anomaly or anatomic vascular variation.
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