Fig. 2From: Single coronary ostium in a patient with quadricuspid aortic valve combined with aneurysmal ascending aortic dilatation a. Intraoperative exploration showing a quadricuspid aortic valve with wrinkling fibrotic thickening of the free margin and commissural fusion. Both coronary arteries originated from only one cusp (see arrow). b. Intraoperative view of the slit-shaped, ovoid single united coronary ostium and imaginary directions of the left main coronary artery (LM) and the right coronary artery (RCA). Two inner circular figures showing each side of the resected quadricuspid aortic valveBack to article page