OverviewLeg venography is a procedure where contrast material is injected through a catheter in a vein to help visualize the internal structures by using x-rays. The test is used to identify and locate thrombi (blood clots) in the veins of the extremity that is affected.
Review Date 5/27/2014
Updated by: Deepak Sudheendra, MD, Assistant Professor of Interventional Radiology & Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.