The Influence of Effective Energy on Computed Tomography Number Depends on Tissue Characteristics in Monoenergetic Cardiac Imaging
Figure 2
Setting regions of interests (ROIs). Circular ROIs were placed on axial images at the left ventricular cavity (area, 0.5 cm2), interventricular septal myocardium and pericardial fat (areas, 0.1–0.2 cm2), and vertebral compact bone (area, 0.05–0.1 cm2).
