CT coronary angiography

Dual-source CT coronary angiography in 56-year-old man with atypical chest pain (heart rate, 63 beats/min; Agatston score, 108). (a) Curved multiplanar reformation of right coronary artery shows significant luminal narrowing owing to noncalcified plaque (arrow) in proximal segment. (b) Corresponding catheter angiogram confirms significant stenosis in right proximal coronary artery (arrow), resulting in true-positive rating with a.