目的探讨超声引导下经皮肝穿刺置管引流治疗肝脓肿的临床应用价值.Objective To investigate the clinical application of percutaneous transhepatic drainage for liver abscess guided under ultrasonography.方法回顾性分析经病理证实、术前被误诊的12例“肝脓肿样”肝内病变的病例资料,结合其影像表现,分析误诊原因.M...
萨尔瓦多的货币叫作科郎.The currency in El Salvador is called the colon.科郎于1896年开始采用, 代替哥斯达黎加比索.The col � � n was introduced in 1896, replacing the Costa Rican peso....