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目的探讨儿童桡骨小头半脱位彩色多普勒超声图像的表现,评估彩色多普勒超声对儿童桡骨小头半脱位的诊断价值。方法收治桡骨小头半脱位患儿42例,回顾性分析患侧肘关节彩色多普勒超声图像特点,并与X片及健侧肘关节彩色多普勒超声图像比较。结果彩色多普勒超声可清晰观察到肱桡关节间嵌顿的环状韧带,并指导复位,其诊断的符合率达到100%。结论肘关节彩色多普勒超声可有效诊断桡骨小头半脱位,为成功复位提供影像学依据,避免漏诊及误诊。
Objective To investigate the color Doppler sonographic manifestations of children ’s radial head subluxation and evaluate the diagnostic value of color Doppler ultrasound in the diagnosis of children’ s radial head subluxation. Methods Forty-two children with radial head subluxation were retrospectively analyzed, and the color Doppler ultrasound images of the affected side were retrospectively analyzed. The color Doppler ultrasound images were compared with X-ray and contralateral elbow. Results Color Doppler ultrasound can clearly observed the brachial and radial joint incarcerated annulus ligament, and guide the reduction, the diagnostic accuracy of 100%. Conclusion Elbow color Doppler ultrasound can effectively diagnose the radial head subluxation, to provide a radiographic basis for successful reduction, to avoid missed diagnosis and misdiagnosis.