A 65-year-old male presents with right leg swelling and pain.
The patient has a history of cancer and recent plane travel.
Figure 1a. Long-axis grayscale ultrasound image of the popliteal vein with echogenic filling defect in the lumen that is not compressible (compression images not shown).
Figure 1b Long axis color doppler ultrasound image of the popliteal vein with echogenic filling defect in the lumen with incomplete occlusion with areas of flow through the vein. Of note, the distal vein (right side of the image) is larger than the proximal vein (left side of the image).
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