Fig. 15

A 62-year-old woman with a history of a previous open abdominal aortic aneurysm graft repair presents with abdominal pain and emesis of brown particulate matter, and was referred for CT angiogram. (a, b) Axial slices of a CT scan of the abdomen acquired 70 s post-contrast demonstrates a fistula (arrow) between the aorta (Ao) and duodenum (d), with layering of high-density material in the duodenum (curved arrow). The patient underwent emergency surgery, but unfortunately died. Post mortem culture of the abdominal aorta graft grew gram-negative bacilli, likely E. coli