Fig. 9

Left Contrast filling defect in the coronary artery that might be considered as obstructive coronary lesion. The absence of a visible plaque and the lack of clear differentiation of the filling defect from the adjacent pericardial tissue suggest this “lesion” to be an artefact. Right Clearly visible mixed plaque in the coronary artery. Perpendicular views (I–III) show clear distinction from the pericardial tissue