A 22-year-old male basketball player with back pain is found to have a dissecting aortic aneurysm. the follow is/are true:
A. In Marfan’s syndrome, a disorder of type I collagen underlies the observed cystic medial necrosis
B. In type IV Ehlers-Danlos syndrome, little or no type III collagen is produced and arterial rupture is likely
C. In pseudoxanthoma elasticum, the medial elastic fibers are replaced by xanthoma cells which calcify
D. In arteria magna syndrome, the media is devoid of elastic tissue and coronary artery disease is common
Answer:A
A 22-year-old male basketball player with back pain is found to have a dissecting aortic aneurysm. the follow is/are true:
A. In Marfan’s syndrome, a disorder of type I collagen underlies the observed cystic medial necrosis B. In type IV Ehlers-Danlos syndrome, little or no type III collagen is produced and arterial rupture is likely C. In pseudoxanthoma elasticum, the medial elastic fibers are replaced by xanthoma cells which calcify D. In arteria magna syndrome, the media is devoid of elastic tissue and coronary artery disease is common