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Figure 2 Reconstruction of the Coronary Lumen Contour

The lumen contours traced from a total of 18 longitudinal intravascular ultrasound images while revolving the plane in increments of 10° were used to reconstruct the whole profile of the coronary lumen. These data were exported into the program of shear stress calculation. At the rupture site, the contour was extrapolated at the orifice of the ulceration cavity (*).