Aortic valve fibroelastoma presenting with myocardial infarction.

Fibroelastoma is a rare, benign cardiac tumor. It is the second most common primary cardiac tumor and the most common primary cardiac valvular tumor. Nonvalvular endocardial location is rare and may be difficult to differentiate from thrombus and myxoma. Fibroelastoma consists of a small, highly papillary, pedunculated, and avascular tumor which is covered by a single layer of endothelium. It contains fine elastic fibrils arranged in whorls in a hyaline stroma. Fibroelastoma is mostly found incidentally at the time of echocardiography, cardiac catheterization, surgery, or autopsy. Symptomatic patients present with various clinical presentations, mainly cardiovascular in nature.