Figure 4

Representative optical and X-ray images with subsequent fusion of a rat at 7 days post surgery, 10 min after injection of 10 mg/kg ICG, AP and lateral view. In order to visualize the areas with the highest fluorescence after injection of the contrast agent fusion was performed by fusing all signal intensities above 6000 units on the OI image. Thus, the areas of highest fluorescence are visible on the fused image.