Comparison of Rhenium and Iodine as Contrast Agents in X-Ray Imaging

Figure 1

Setup for planar X-ray imaging. The Re- and I-XCA were imaged initially as indicated in (a) (“original” configuration). Then, they were rearranged as indicated in (b) (“inverted” configuration) and imaged again. The images from both configurations at each X-ray tube potential were averaged to generate a single image, which was then utilized to calculate the CNRs. The image shows (A) water, (B) Re-XCA, (C) I-XCA, and (D) air.

(a)

(b)