Abstract
Objective To study the clinical value of color Doppler ultrasonography in the persistent sciatic artery. Methods The ultrasonographic images of eleven patients with persistent sciatic artery diagnosed by CT angiography or digital subtraction angiography were retrospective analyzed, the ultrasonographic features were summarized. Results The sciatic artery showed the enlarged internal iliac artery, which continued into the thigh in a posterior location, the sciatic artery described a tortuous course toward the knee, slowly filling normal-appearing popliteal artery in 8 cases, there were no connection with popliteal artery in 1 cases. The common femoral artery and superficial femoral artery was dysplasia in 7 patients, which was thinner than the popliteal artery. Conclusions The ultrasonography is the effective imaging method for diagnosis of the persistent sciatic artery. Key words: Ultrasonography; Sciatic artery
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