A contrast-enhanced venography in a 78 year-old man with thrombosis of the deep veins in the lower leg.
"Venography" - A diagnostic procedure that enables veins to be seen on an X-ray film after they have been injected with a substance opaque to X-rays. It is used to detect abnormalities or diseases of the veins, such as narrowing or blockage from thrombosis.
"venography". British Medical Association (2007). Illustrated Medical Dictionary. 2nd ed. London: Dorling Kindersley (DK). p581.