Tag Archives: superior vena cava

Case presentation Figure 1. Chest radiograph showing widened mediastinum by a right para-tracheal soft tissue shadow (arrow) A 62-year-old male patient complaining of atrial fibrillation was referred for pre-ablation workup. Plain chest radiography demonstrated a right paratracheal soft tissue shadow mimicking a mediastinal mass (figure 1). Contrast-enhanced computed tomography (CT) revealed fusiform aneurysmal dilatation of the upper segment of the superior vena cava (SVC) starting from its origin at the confluence of the right and left brachiocephalic veins and ending 3 cm above the cavo-atrial junction (figure 2), with maximal axial dimens