Clinical Study

Preoperative Evaluation of Soleal Vein Diameter by Ultrasound Is Beneficial for Prophylaxis of Deep Vein Thrombosis after Total Knee or Hip Arthroplasty

Figure 2

Ultrasound screening of dilated soleal vein (SV). (a) shows hypoechoic signals in the longitudinal sections of calf on B-mode screening (red arrows); (b) shows a round hypoechoic area was apparent on the transverse section (red arrows).
(a)
(b)