“…3 An acquired atheromatous coarctation can result when protruding calcified masses occlude the postsubclavian aorta. 6,7 The heavily calcified obstructive plaques characteristic of coral reef aorta can lead to hypertension, renal hypoperfusion, claudication, and heart failure. Their pathogenesis has been attributed by some to calcification of a fibrin-platelet thrombus, but atherosclerotic risk factors do not sufficiently explain the extensive calcification and metaplastic bone formation.…”