2 articles
Aortic intramural hematoma
An aortic intramural hematoma (IMH) is bleeding contained within the middle muscular layer of the aortic wall, without an intimal flap, and it can progress to dissection or rupture.
Penetrating atherosclerotic ulcer
A penetrating atherosclerotic ulcer is an ulcerated aortic atherosclerotic plaque that breaks through the internal elastic lamina into the aortic wall's media, one of three acute aortic syndromes.