目的了解鼻前庭囊肿的超声特征，评估彩色多普勒超声扫描对鼻前庭囊肿的诊断价值。
Objective To investigate the ultrasonographic characteristics and the diagnostic value of color Doppler ultrasonography for nasal vestibular cyst.
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.
方法采用彩色多普勒腹腔镜超声仪对80例胆囊结石患者行l C术中实时肝外胆道系统扫描。
Methods 80 patients with gallstone receiving LC had real - time color Doppler LUS of the extrahepatic biliary system.
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