Venography

Venography is a medical imaging technique used to visualize the inside of blood vessels, in particular, the veins. This is traditionally done by injecting a contrast agent into the blood vessel using x-rays/fluoroscopy. Using imaging for guidance, the Interventional Radiologist threads a catheter and wire through the vein to the diseased portion of the vein. Venography of any vein can be performed, but most commonly includes the veins of the head and neck, upper and lower extremities, the vena cava, and pelvic veins.

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