Fig. 3

Intravascular ultrasound images. Intravascular ultrasound images of the stenotic lesion obtained during the first coronary intervention showed a fibrotic intimal thickness and an attenuated plaque was not seen. It is noteworthy that the media was partly unrecognizable and the echo intensity similar to fibrotic intimal thickening traversed from the intima to the adventitia, thereby causing the whole image of the coronary artery to become unclear