目的：了解彩色双功能超声在糖尿病下肢动脉病变早期诊断和治疗中的应用价值。
Subject: To detect the application of Color Duplex Ultrasonography (CDU) for investigation of the early arterial pathological changes of the lower limbs of diabetes mellitus(DM) patients.
结论：彩色双功能超声在颈内动脉狭窄的诊断中具有重要的临床价值。
Conclusion: Color duplex sonography has important clinical values in the diagnosis of atherosclerotic stenosis clinically.
对病理活检确诊的30例结节性血管炎患者、20例健康者，采用双功能彩色多普勒超声扫描仪观察其下肢血管的形态和管径。
Observing vascular morphological and diametric changes of low leg on 30 cases with nodular vasculitis using Duples and Colour Dopplar Ulrtasound, 20 normal people as controls.
对病理活检确诊的30例结节性血管炎患者、20例健康者，采用双功能彩色多普勒超声扫描仪观察其下肢血管的形态和管径。
Observing vascular morphological and diametric changes of low leg on 30 cases with nodular vasculitis using Duples and Colour Dopplar Ulrtasound, 20 normal people as controls.
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