Methods: 20 patients with aortic arch syndrome performed 2D and color Doppler ultrasonography by Aspen color ultrasonic diagnostic apparatus with transducer frequency 7 to 10 MHz. 方法:用Aspen彩色超声诊断仪,探头频率7~10MHz,对20例头壁型大动脉炎患者进行二维与彩色多普勒超声检查。
Diagnostic value of aortic arch syndrome by two-dimensional and Doppler ultrasonography 二维及多普勒超声对头臂型大动脉炎的诊断价值