Fig. 1From: Incidence of deep vein thrombosis before and after total knee arthroplasty without pharmacologic prophylaxis: a 128-row multidetector CT indirect venography studyDeep vein thrombosis (DVT) in the left popliteal vein. The image shows that the DVT exhibited a filling defect in the lumen of the vein, surrounded by a highly attenuating enhanced ringBack to article page