Fact-sheet: Penetrating atherosclerotic ulcer of the aorta


Updated on 04/22/2020 at 10:06 AM

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Definition

An ulcer forming within an atheromatous plaque, eroding the intima and then the internal elastic lamina, subsequently forming a collection within the aortic media.

Clinical features

Semiology similar to aortic dissection, with interscapular pain radiating downward

CT

CT angiography:

saccular parietal outpouching, communicating with the vessel lumen and deforming the outer contour of the aortic wall.