What is the role of magnetic resonance venography (MRV) in the diagnosis of venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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Answer

Magnetic resonance venography (MRV) is the most sensitive and specific test for the assessment of deep and superficial venous disease in the lower legs and pelvis, areas not accessible by means of other modalities. MRV is particularly useful because it can help detect previously unsuspected nonvascular causes of leg pain and edema when the clinical presentation erroneously suggests venous insufficiency or venous obstruction.

Current advances in technology have allowed the inclusion of computed tomography and/or MRV in the evaluation of venous disease; however, their use requires intravenous contrast material and appropriate timing in order to obtain a venogram. In other words, a proper technique that would allow the proper visualization to assess for obstructive disease, varicose veins, perforating veins, and other venous abnormalities is required. [21]


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