Pseudo-normalization of a coronary artery aneurysm detected by IVUS

[first paragraph of article]Coronary artery aneurysm (CAA) is found in 0.3–5% of patients undergoing coronary angiography. Atherosclerosis is the main cause, followed by Kawasaki disease and infectious emboli. The pathogenetic mechanisms underlying aneurysm formation have not been clearly delineated, but inflammation is suspected to play a role. Symptoms, if present, are usually related to myocardial ischemia. In adults, angiography is the mainstay for diagnosis. Management varies from antithrombotic therapy to PCI or surgical treatment.