Mycotic Aneurysm with Iliac Artery-Colonic Fistula

Figure 1

CT scanner forty days prior to admission. (a) Enhanced axial CT shows a bladder tumor (arrow). (b, c) Enhanced coronal and axial CT shows a 17 × 18 mm saccular aneurysm arising from the right common iliac artery (arrows) surrounded by fat stranding. (d) Enhanced axial CT shows small foci of gas (arrow).