用medial necrosis造句子，“medial necrosis”造句

This mucin stain of the wall of the aorta demonstrates cystic medial necrosis, typical for Marfan's syndrome and causes the connective tissue weakness that explains the aortic dissection.

This aorta shows severe atherosclerosis which, along with cystic medial necrosis and hypertension, is a risk factor for dissection.