What is the role of ultrasonography in the workup of lymphedema?

Updated: Mar 24, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: William D James, MD  more...
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Ultrasonography can be used to evaluate the lymphatic and venous systems. Volumetric and structural changes can be identified within the lymphatic system using this modality, and venous abnormalities, such as deep vein thrombosis and arteriovenous fistula, can be excluded based on ultrasonographic findings. The presence of a deep vein thrombosis is in the differential diagnosis of unilateral extremity swelling, and it may also occur concomitantly with lymphedema.

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