Clinical Presentation

The patient is a 68-year-old woman with chronic renal failure who is on dialysis.

Further Work-up

Image obtained 15 days later.

(A) Axial image of the first contrast-enhanced computed tomographic (CT) scan shows a large area of soft-tissue density and irregular areas of decreased density surrounding the distal abdominal aorta and extending into the proximal portions of the iliac arteries (white arrowhead