PMC4501459_01
Transverse (top) and coronal (bottom) CT scan images obtained with contrast administered through a left antecubital intravenous access, showing obstruction of the SVC by a mediastinal mass (arrow).
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A chest computed tomography (CT) with contrast, injected through a left antecubital intravenous access, showed a large right-side pleural effusion and an 8-cm anterior mediastinal mass encasing both the superior vena cava (SVC) and the right brachiocephalic vein (Fig. 1).
Transverse (top) and coronal (bottom) views of CT scan images obtained with contrast administered through a right antecubital intravenous access, showing pleural enhancement (top, arrows) and bridging veins connecting intercostal and new chest wall collaterals draining into the pulmonary vein (bottom, arrows).
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A repeat chest CT with contrast administered this time through a right antecubital intravenous access showed a slight decrease in the size of the mediastinal mass, a small loculated right pleural effusion, right internal jugular thrombosis and persistent narrowing of the SVC and right brachiocephalic vein (Fig. 2). There was also evidence of pleural enhancement (Fig. 2).