PMC4962499_01
Ultrasonography showing the regression of deep venous thrombosis. a Ultrasonography (iU-22, Philips) images of the left lower extremity showing extensive deep vein thrombosis at the initial examination (1 month after the first appearance of symptoms); Additional file 1. b Ultrasonography (Noblus, Hitachi Aloka Medical) images of the left lower extremity after 3 months of treatment; Additional file 2. Although some thrombi are still visible in the popliteal vein, no remaining thrombi were observed in the left superficial femoral and soleus muscle veins. c Ultrasonography (Aplio XG, Toshiba) images of the left lower extremity after 6 months of treatment; Additional file 3. No remaining thrombi were observed and only mural thrombi remained in the popliteal vein
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PMC4962499_01_12959_2016_89_Fig1_HTML.jpg
Fig1
Ultrasonography revealed a thrombus in the left but not in the right femoral vein (Fig. 1), and computed tomographic angiography revealed clots in the right distal pulmonary artery. However, because some clots were still observed in the popliteal vein (Fig. 1), treatment with edoxaban was continued. Ultrasonography showed further regression of the clots in the left popliteal vein, leaving only mural thrombi (Fig. 1).