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通过对４０例肝脏扫描时间－密度曲线分析，找出较适合螺旋ＣＴ肝脏扫描的造影剂应用技术，测量了单、双时相注射的肝脏、主动脉和脾脏的增强值，并对最高增强值及对应时间、平衡期和增强值３０Ｈｕ以上平衡期适合扫描的时间进行了分析，单时相注射的肝脏最高增强值高于双时相注射，到达时间比双时相早１５秒，单时相注射平衡期比双时相提前２０秒，增强值３０Ｈｕ以上到平衡期时间单、双时相注射分别为３５ｓ和５０ｓ，所以，单时相注射更适于螺旋ＣＴ肝脏扫描。
By analyzing the time-density curve analysis of 40 liver samples, we found out the suitable technique of contrast media for spiral CT scan of liver, measured the enhancement of liver, aorta and spleen of single and double phase injection, and measured the highest enhancement value And the corresponding time, balance and enhanced value more than 30Hu balance period suitable for scanning were analyzed, the highest single liver liver enhanced injection was higher than the double-phase injection, the arrival time of 15 seconds earlier than the double-phase, single-phase The injection equilibrium period was 20 seconds earlier than the double phase, and the enhancement value was more than 30 Huu to the equilibrium period single time and the double phase injection was 35 s and 50 s respectively. Therefore, the single-phase injection was more suitable for spiral CT liver scan.