Deep vein thrombosis MRI: Difference between revisions
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Revision as of 03:07, 28 December 2011
Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [1]
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Overview
Noninvasive technique like ultrasonography and impedance plethysmography are fairly accurate ways to diagnose deep-vein thrombosis (DVT) in the legs. But, both tests miss calf-vein thromboses, repeat testing often is required when initial tests are negative, and ability to assess pelvic veins is limited. Magnetic resonance venography has an important role in diagnosis when contrast venography cannot be performed due to patients allergy to contrast material or in renal insufficiency. Magnetic resonance venography was found to have 100% sensitivity and 96% specificity, in a double blinded study involving 85 patients.[1]
References
- ↑ Carpenter JP, Holland GA, Baum RA, Owen RS, Carpenter JT, Cope C (1993). "Magnetic resonance venography for the detection of deep venous thrombosis: comparison with contrast venography and duplex Doppler ultrasonography". J Vasc Surg. 18 (5): 734–41. PMID 8230557.