Fig. 1

Computed tomography of the chest and abdomen reveals the thoracoabdominal aortic aneurysm along with the implanted arterial catheter inserted from the left femoral artery to the hepatic artery (a, b arrow). An irregularly shaped aortic aneurysm was identified at the origin of the celiac artery, with partially expanded common hepatic artery with disproportionate fat stranding (c, d arrowhead) along the catheter (c, d arrow); no extravasation was observed using contrast enhancement (c, d)