Objective: Computer digitally expresses the average grey scale values and color point percentages in normal and cirrhotic livers before and after Levovist enhancement.
目的：用计算机数字化表达利声显增强前后正常肝和肝硬化平均灰度值和彩点百分比。
Objective To evaluate the hemodynamic changes of the vascularity in hepatic focal lesions by color Doppler flow imaging techniques after intravenous injection of Levovist.
目的研究在彩色多普勒超声造影中肝实质性占位血流信号的改变。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
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