Introduction : We aimed to review the coronary arteriovenous malformation with its feeding artery.drainage chamber and associated aneurysm formation by using MDCT.Method : We retrospectively collected 16 cases with coronary arteriovenous malformation from our cardiac CT database from 2001/01 to 2013/04.We evaluated MDCT images of these 16 cases with several features, including: feeding arteries, drainage chambers and the greatest diameter of the fistulas presence and diameter of aneurismal structure.The initial clinical presentations, treatment course conventional coronary angiographic images and post treatment MDCT images of these patients are alsc collected if available.