Visualization of vascular structures during routine nephrotomography

Using an immediate nephrotomogram at 30 to 40 seconds, one can show the nephrographic phase and often visualized the renal vein, splenic vein, and portal vein. In a series of 200 consecutive patients, technique was adequate in 169. Some visualization of the renal veins was obtained in 54% and the splenic vein was demonstrated in 25% of the immediate nephrotomograms.