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一、资料与方法 １．我院超声科于１９９９年５月～２０００年３月，对５６例肝肿瘤患者（５０例原发性肝癌和６例胃肠道癌肿手术后肝转移），在Ｂ超导向对肝肿瘤瘤体内进行酒精注射前后，细针活检的标本为研究对象，其中包括肝癌患者经外科手术治疗后复发或经肝动脉栓塞术后肝
First, information and methods Department of Ultrasound in our hospital from May 1999 to March 2000, on 56 cases of liver cancer patients (50 cases of primary liver cancer and 6 cases of gastrointestinal cancer after liver metastasis), B-guided on liver tumor Before and after alcohol injection in vivo, fine needle biopsy specimens were studied, including recurrence of liver cancer patients after surgical treatment or hepatic artery embolization.