Segmental arterial mediolysis

SEGMENTAL ARTERIAL MEDIOLYSIS

- Rare, non arteriosclerotic, non inflammatory vascular disease of unknown origin

- Involves visceral arteries of abdomen

- Any vessel may be involved with skip pattern

- No predilection for bifurcation

- Dilatations, saccular aneurysms, dissecting aneurysms, stenosis, thrombosis/occlusion