Clinical Presentation

The patient is a 38-year-old man with abdominal pain and fever.

• Selected axial images of a contrast-enhanced computed tomographic (CT) scan of the abdomen demonstrate fluid density surrounding an aorto-bifemoral bypass graft from the upper cuts to the pelvic cuts.

(A,B) Figures show loss of the tissue separation plane between the fluid surrounding the graft and the 3rd portion of the duodenum; a small collection of air is also identified (arrow