Figure 1. Color doppler ultrasonography image of patient's left popliteal vein. Left popliteal vein is not compressible due to occlusive thrombus (arrow).

From

Case of Deep Venous Thrombosis Secondary to May-Thurner Syndrome

Philip Tulio, Randol Kennedy, Ryan Choudhury, Jehad Azar

American Journal of Medical Case Reports. 2020, 8(1), 26-30 doi:10.12691/ajmcr-8-1-7