Fig. 2
From: CT angiography for the assessment of EVAR complications: a pictorial review
Drawings illustrating the physiopathology of type I endoleak. a A typical EVAR device consisting of a main body for the aorta and one “limb” for each common iliac artery; b type Ia endoleak; c type Ib endoleak; d EVAR with an aorto-uniliac device, a femoral-femoral bypass and an iliac occluder; e type Ic endoleak with failure of the iliac occluder, resulting in retrograde blood flow through the common iliac artery and the aneurysm sac