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Related Experiment Videos

Lower extremity swelling: computerized tomography following negative venography.

G Pillari1, J Zito, J B Chang

  • 1Department of Radiology, Long Island Jewish Medical Center, New Hyde Park, NY 11042.

Cardiovascular and Interventional Radiology
|January 1, 1987
PubMed
Summary

Computerized tomography (CT) of the lower extremity, termed venography-CT (VCT), effectively diagnosed causes of leg swelling like knee effusion and intramuscular hemorrhage in patients with negative venography. This imaging aids clinical management.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Orthopedics

Background:

  • Deep vein thrombosis (DVT) is a common cause of lower extremity swelling.
  • Conventional venography may not identify all causes of swelling.
  • Occult causes of lower extremity swelling require advanced imaging techniques.

Purpose of the Study:

  • To evaluate the utility of computerized tomography (CT) of the lower extremity, termed venography-CT (VCT), in diagnosing causes of lower extremity swelling.
  • To identify occult mechanisms of swelling not detected by venography.
  • To assess the impact of VCT on clinical management.

Main Methods:

  • Retrospective review of 21 patients with lower extremity swelling and negative venography.
  • Radiographic evaluation extended to include VCT of the lower extremity.

Related Experiment Videos

  • Analysis of CT findings to identify causes of swelling such as knee joint effusion and intramuscular hemorrhage.

    • Main Results:

    • VCT identified two occult mechanisms of lower extremity swelling: knee joint effusion (3 patients) and intramuscular hemorrhage (5 patients).
    • In patients with negative venography, VCT provided a diagnosis for swelling.
    • VCT findings guided clinical management decisions.

    Conclusions:

    • Venography-CT (VCT) is effective in diagnosing occult causes of lower extremity swelling.
    • VCT can identify knee joint effusion and intramuscular hemorrhage as sources of swelling.
    • Selective use of VCT improves diagnostic accuracy and directs clinical management for lower extremity swelling.