Figure 1.

Curved planar reformation images of coronary CT angiography using iomeprol 400 are shown in a 47-year-old male. The attenuation numbers using the region of interest technique of the proximal portion of the coronary arteries were higher than 500 HU for the proximal right coronary artery (a), the left main coronary artery and the proximal left anterior descending branch (b), the proximal left circumflex artery (c). On subjective analysis, 13 segments of the coronary arteries were assessed as grade 1 (posterolateral and posterior descending branch of left circumflex artery were not found).