All plaques showed defects in the high intensity of vessel lumen on TOF sequence,and presented moderate,low and(or) high intensity on DIR-T1WI and T2WI.

• 硬化斑块在T1WI、T2WI上表现为管壁不规则增厚,伴有或不伴有局限性的新月形或半月形信号灶突入管腔,TOF上表现为管腔内高信号血流中见低信号充盈缺损。