肾结石可通过皮穿器械摘除，或者经皮穿刺肾造瘘或经肾直接置管进行冲洗。
Penal stones may be removed instrumentally via percutaneous nephrostomy or by irrigation through a tube placed directly into the kidney.
目的：评估CT引导下经皮肝脓肿穿刺置管引流术（CTPCD）的效果和临床应用价值。
Objective: To evaluate the effect and clinical value of the CT-guided percutaneous catheter drainage(CTPCD) in the hepatic abscess.
方法：回顾性分析178例经皮中心静脉置管患者的临床资料。
Methods: Clinical data of 178 cases with percutaneous central venous catheterization were analyzed retrospectively.
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