Atypical drainage of a persistent left vena cava superior into the left atrial appendage detected by multidimensional imaging: A case report and review of the literature

While it is the most common thoracic venous anomaly, a persistent left vena cava superior may present in atypical variations, which are important to consider during clinical management. To the best of our knowledge, this is the first report of a persistent left vena cava superior draining into the left atrial appendage.