title: Illustrative echocardiogram. Cystic medial necrosis with severe aortic root dilatation.
mesh_terms: D000792:Angiography; D001014:Aortic Aneurysm / Q000175:diagnosis*; D001018:Aortic Diseases / Q000175:diagnosis*; D001021:Aortic Valve / Q000601:surgery; D001807:Blood Vessel Prosthesis; D006328:Cardiac Catheterization; D004452:Echocardiography; D006326:Heart Auscultation; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009336:Necrosis