36例肝内动脉瘤的彩色多普勒超声诊断研究

Study on thirty-six cases diagnosis of intrahepatic artery aneurysm by artery color Doppler ultrasound

目的探讨彩色多普勒超声诊断肝内动脉瘤的应用价值。方法对36例彩色多普勒超声诊断为肝内动脉瘤患者的声像图进行回顾性分析。结果 36例肝内动脉瘤患者中,17例位于肝左叶,13例位于肝右叶,6例肝左右叶均有。单发者27例,2个者6例,3个及以上者3例。最大者28mm×27mm,最小者8mm×7mm。瘤体内有附壁血栓者3例。声像图特征：二维超声表现为肝内类圆形囊状无回声区,边界清晰,壁薄光滑,后方回声加强;彩色多普勒超声显示：红、蓝色单色彩显示者15例,红蓝相间涡流样彩色血流信号21例;脉动冲多普勒测得动脉血流频谱,血流速度12-29cm/s,阻力指数0.60-0.68。结论彩色多普勒超声检查是早期筛查和诊断肝内动脉瘤的首选影像学方法。

Objective To explore the application value of color Doppler ultrasound in diagnosis of intrahepatic artery aneurysms.Methods Thirty-six cases of intrahepatic artery aneurysm was diagnosed by color Doppler ultrasound.And the data were analyzed retrospectively.Results In the 36 cases of hepatic artery aneurysm,17 cases were located in the left lobe of liver,13 cases were located in the right lobe of liver,and 6cases were located in the left and right hepatic lobe.A total of 27 cases were solitary,6cases were 2aneurysm,and 3cases were 3and above aneurysm.Maximum was 28mm×27mm,and minimum was 8mm×7mm.There are 3cases with mural thrombus.Liver oval cystic echo free zone was found by two-dimensional ultrasonography.The boundary was clear.The wall was smooth and thin.The rear echo was strengthened.The pulsatile red,blue single color flow signal（n=15）or vortex like red and blue color flow signal（n=21）were showed by color Doppler ultrasonography.The hepatic artery blood flow velocity spectrum was 12-29cm/s,and resistance index was 0.60-0.68.Conclusion Color Doppler ultrasonography was the preferred imaging methodology of early screening and diagnosis of intrahepatic artery.