Fig. 5
From: Persistent CT nephrograms following cardiac catheterisation and intervention: initial observations
Non-contrast CT images of a 56-year-old woman (patient 7) 24 h post coronary artery stent placement and utilising 300 ml CM and 20.5 min of fluoroscopy time. a Axial combined image shows moderately dense, bilateral nephrograms, cortical regions 71.4 and 65.1 HUs and medullary regions 44.6 and 43.1 HUs, right and left kidneys, respectively. Total iodine 444.04 and 401.17 mg, right and left kidneys respectively. b Axial CT images depicted at 80 kVp. c Axial 2D colourised graphical image of the right kidney. Vicarious excretion of CM is noted in the colon. The colourised scale on the right aspect of the image is in mgI/ml