Fig. 8
From: Radiological diagnosis of dialysis-associated complications
Fluoroscopy of a 78-year-old male patient after contrast media application. The contrast media builds up in the superior vena cava around the catheter, indicating a larger thrombus formation that could occlude the superior vena cava (black arrow). The contrast media outflow from the arterial leg occurs distally via the hemiazygos vein (black arrow)