AAA Rupture and Psoas Hematoma due to Type II Endoleak from Inferior Mesenteric Artery “Unusual” Collaterals

Figure 2

DSA angiography showing (a) antegrade flow through the aortounilateral stent graft and femorofemoral right to left bypass without Type I or III endoleaks, (b) the SMA and Riolano’s collateral arch (c) infusion from the microcatheter which revealed blush from an “unusual” collateral, and (d) exclusion of endoleak (black arrow) using with protection of vital collaterals (white arrow).