Fig. 3
From: Persistent CT nephrograms following cardiac catheterisation and intervention: initial observations
Non-contrast CT images of a 68-year-old man (patient 12) 24 h after coronary rotational atherectomy and stent requiring a total of 370 ml CM and 32.3 min of fluoroscopy time. a Axial image of the right kidney shows a focal nephrogram in the posterior parenchyma superimposed on global nephrograms. b Coronal 80-kVp image showing the same focal nephrogram in the lower pole posterior parenchyma. c Coronal two-dimensional (2D) colourised graphical image depicting both the global and focal nephrograms. The colourised scale on the right aspect of the image is in mgI/ml