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在日本虽然肝切除手术中已能借助超声扫描进行小区的解剖切除，但经验较少的术者尚难利用超声、CT或MRI这些二维的显像技术来准确定位肿瘤与门静脉、肝静脉各分支之间的关系，因而三维CT技术（3－CT）应运而生，作者并已用于临床。在1995年1月至1996年3月日本Yokohama大学外科
Although hepatic resection in Japan has been able to use ultrasound scans for cell dissection, but less experienced surgeons is still difficult to use ultrasound, CT or MRI of these two-dimensional imaging technology to accurately locate the tumor and portal vein, hepatic vein Therefore, three-dimensional CT technology (3-CT) came into being, the author has been used in clinical. From January 1995 to March 1996, surgery at Yokohama University in Japan