Deep vein thrombosis CT: Difference between revisions
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* Side effects of IV contrast administration | * Side effects of IV contrast administration | ||
* Expensive modality | * Expensive modality | ||
==Uses== | ==Uses== | ||
It may be considered and is preferred over contrast [[Deep vein thrombosis venography|venography]] as there is no need to cannulate the foot veins, in the following setting: | It may be considered and is preferred over contrast [[Deep vein thrombosis venography|venography]] as there is no need to cannulate the foot veins, in the following setting: | ||
* [[Deep vein thrombosis ultrasound|Compression ultrasonography]] is impractical because of excessive swelling, edema or leg cast, or nondiagnositc. | * [[Deep vein thrombosis ultrasound|Compression ultrasonography]] is impractical because of excessive swelling, edema or leg cast, or nondiagnositc. | ||
==References== | ==References== | ||
Revision as of 04:31, 17 May 2012
Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [1]
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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] However, it is not done routinely in clinical settings because of certain limitations:
- Side effects of IV contrast administration
- Expensive modality
Uses
It may be considered and is preferred over contrast venography as there is no need to cannulate the foot veins, in the following setting:
- Compression ultrasonography is impractical because of excessive swelling, edema or leg cast, or nondiagnositc.
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.