Objective To review the color Doppler ultrasonography ( CDU) appearance in 49 cases of the lower extremity arterial occlusive disease in patients with diabetes mellitus (DM) so as to summarize the sonogram characterization.

• 目的回顾分析49例糖尿病(DM)下肢动脉闭塞的彩色多普勒超声(CDU)表现,总结其声像图特征。