Methods:Using the color Doppler ultrasound to monitor the centesis of kidney cysts and to orientate the best position in the process of centesis.
方法：利用超声多普勒原理，采用彩色多普勒监测肾囊肿穿刺抽液，注液时所产生的彩色多普勒图像，从而确定穿刺针最佳位置。
The lower position kidney or upper position kidney revealed hydronephrosis because of obstructed drainage.
上或（和）下位肾因引流不畅导致相应肾脏积水；
The lower position kidney or upper position kidney revealed hydronephrosis because of obstructed drainage.
上或（和）下位肾因引流不畅导致相应肾脏积水；
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