CTICasesType 3 Endoleak post-EVAR
Imaging findings
CT angiography shows a mechanical separation between the main body and the iliac limb component of an aortic endograft, resulting in contrast extravasation directly into the surrounding aneurysm sac.
Key takeaways
A type 3 endoleak represents mechanical structural failure of the endograft, most commonly component separation or fabric tear. This allows high-pressure systemic blood to enter the aneurysm sac, carrying a high risk of rupture and requiring urgent endovascular repair.
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