Deep vein thrombosis CT: Difference between revisions
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Revision as of 19:04, 28 January 2013
Editor(s)-In-Chief: The APEX Trial Investigators, C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2] ; Kashish Goel, M.D.; Assistant Editor(s)-In-Chief: Justine Cadet
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Deep Vein Thrombosis Microchapters |
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Diagnosis |
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Treatment |
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Special Scenario |
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Trials |
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Case Studies |
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Deep vein thrombosis CT On the Web |
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Risk calculators and risk factors for Deep vein thrombosis CT |
Overview
Venous thrombosis in the proximal deep veins is responsible for more than 90% of the pulmonary embolisms. Some of the investigators have suggested combined use of CT PE protocol and CT scan venography in cases of suspected DVT and PE.[1]
CT
Uses
It is preferred over contrast venography as there is no need to cannulate the foot veins. In the following setting:
- Compression ultrasonography can be impractical in cases of excessive swelling, edema, or a leg cast.
Limitations
It is not done routinely in clinical settings because of certain limitations:
- Side effects of IV contrast administration
- Expensive modality
- Routine use is not recommended. (Class I - Level of evidence B)
Example
- CT images: DVT at left leg
References
- ↑ Kanne JP, Lalani TA (2004). "Role of computed tomography and magnetic resonance imaging for deep venous thrombosis and pulmonary embolism". Circulation. 109 (12 Suppl 1): I15–21. doi:10.1161/01.CIR.0000122871.86662.72. PMID 15051664.