Annuloaortic ectasia

Last revised by Dr Daniel J Bell on 12 Feb 2021

Annuloaortic ectasia refers to a proximal dilatation of the aortic root at the level of the aortic annulus, which is the same level as the sinus of Valsalva.

Pathology

Annuloaortic ectasia occurs with connective tissue diseases such as Marfan disease and Ehlers-Danlos syndrome. It is a cystic medial necrosis, which puts the patients at increased risk for aortic dissection, which in turn may lead to rupture 1-3.

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