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Fig. 2. —Multidetector CT angiogram shows dependency of stenosis delineation on stent type. Stents appear in same order as in Figure 1: control, Strecker Tantalum (Boston Scientific Europe, Paris, France), Strecker Nitinol (Boston Scientific Europe), ZA-Stent (Cook, Moenchengladbach, Germany), Symphony (Boston Scientific Europe), Easy Wallstent (Boston Scientific Europe), Perflex (Cordis, Miami, FL), and Palmaz P394 (Cordis). Complete obscurity of stenosis is caused by Strecker tantalum stent. In other stents (steel, nitinol, and cobalt-based alloy), stenoses are delineated.