Figure 1

High resolution, multi-sequence MR image and corresponding segmentation contour. (A-D): MR images showing fibrous cap rupture (marked by white arrow) and ulceration; (E): segmented contour with a defect lumen due to fibrous cap rupture; and (F): cubic spline function was used to bridge the gap (thick blue line) to recover the intact lumen. Red asterisk: lumen; Green asterisk: ulceration.