Venogram - leg
Alternate Names : Phlebogram - leg, Venography - leg
Definition
Lower extremity venography is a test used to see the veins in the leg. X-rays are a form of electromagnetic radiation like light, but of higher energy, so they can go through the body to form an image on film. Structures that are dense (such as bone) will appear white, air will be black, and other structures will be shades of gray. Veins are not normally seen in an x-ray, so a special dye (called contrast) is used to highlight them.
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