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作者提出了使用沸腾水溶性造影剂经皮经肝注入疗法（ＰＣＩＴ）治疗肝肿瘤，并利用成犬进行基础实验．注入点的温度在注入后即刻上升到８０℃以上，提示ＰＣＩＴ和经皮经肝沸腾生理盐水注入疗法ＰＳＩＴ同样可以产生高温的凝固性坏死作用。距注入点１ｃｍ处也观察到温度的上升，随注入量的增加，温度也相应呈上升趋势。距针尖２ｃｍ处未见到温度的改变。组织学检查见到以注入点为中心的局部肝组织里完全性坏死。根据ＰＣＩＴ组即刻或１周后的单纯Ｘ线平片，看到造影剂的分布范围，提示可以通过Ｘ线平片和ＣＴ来判断治疗范围。可以认为ＰＣＩＴ和ＰＳＩＴ同样具有使注入部位的肝组织发生坏死的作用，是可以取代ＰＥＩＴ的治疗方法。
The authors propose the use of boiling water-soluble contrast agent percutaneous transhepatic injection therapy (PCIT) for the treatment of liver tumors and the use of adult dogs as a basis for experiments. The temperature at the injection site immediately rose above 80 ° C after injection, suggesting that PCIT and percutaneous transhepatic saline injection therapy PSIT can also produce high temperature coagulation necrosis. The temperature rise was also observed at a distance of 1 cm from the injection point. As the injection amount increased, the temperature also increased accordingly. 2cm away from the tip no change in temperature. Histological examination showed complete necrosis in the local liver tissue centered on the injection site. According to PCIT group immediately or 1 week after the plain radiographs, see the distribution of contrast agent, suggesting that by X-ray and CT to determine the scope of treatment. It can be considered PCIT and PSIT also have the role of the injection site of liver tissue necrosis is a treatment that can replace PEIT.