Type of endoleak | Definition |
Type I |
Ia | Inadequate seal at proximal end of endograft |
Ib | Inadequate seal at distal end of endograft |
Ic | Inadequate seal at iliac occluder plug |
Type II | Flow from visceral vessel (lumbar, IMA, accessory, renal, hypogastric) without attachment site connection |
Type III | |
IIIa: component disconnection | Flow from module disconnection |
IIIb: stent fabric disturbance | Flow from fabric disruption (minor: <2 mm; major: ≥2 mm) |
Type IV | Flow from porous fabric (<30 days after graft placement) |
Endoleak of undefined origin (Type V) | Flow visualized but source unidentified |