Fig. 4

Type II endoleak embolization. a Contrast-enhanced CT in arterial phase shows the presence of a type II endoleak post EVAR (white arrows). b Transfemoral diagnostic DSA of the superior mesenteric artery shows hypertrophy of the Riolano arch. c Further diagnostic DSA performed by a coaxial microcatheter advanced in the Riolano arc confirms the endoleak opacification (white arrows) sustained by the inferior mesenteric artery stump. d Microcatheter advancement into the aneurysmatic sac and Squid embolization. e Final angiographic control shows complete endoleak exclusion