目的 探讨多层螺旋CT（MSCT）在急腹症诊断中的应用效果。方法 分析237例于2012年6 月~2014年5月间在本院疑诊急腹症患者的多层螺旋CT结果，与临床诊断结果进行比较，统计多层 螺旋CT诊断急腹症的灵敏度、特异度、准确度、阳性预测值和阴性预测值。结果 MSCT诊断的灵 敏度为86.2%，特异度为67.6%，准确度为83.5%，阳性预测值为94%，阴性预测值为45.1%。结论 MSCT诊断急腹症具有较高的灵敏度、准确度以及阳性预测值，能够实现对急腹症的快速成像，可 为病因诊断提供有价值的参考信息，值得临床推广。

Objective To discuss the application effect of multi-slice spiral computed tomography (MSCT) in the diagnosis of acute abdomen. Methods 237 cases of patients with suspected acute abdomen were selected as research subjects in the hospital from June 2012 to May 2014. In comparison with clinical diagnosis, statistical analysis was made by results obtained by MSCT diagnosis in categories of acute abdomen sensitivity, specificity, accuracy, positive predictive value and negative predictive value. Results MSCT diagnostic sensitivity was 86.2%; diagnostic specificity was 67.6% and accuracy was 83.5%; positive predictive value was 94% and negative predictive value was 45.1%. Conclusion The use of MSCT in diagnosis of acute abdomen was characterized by high sensitivity, accuracy, and a high positive predictive value, which could realize rapid imaging of the abdomen, and provide valuable reference information for the diagnosis of the causes of acute abdomen. It was worthy of clinical promotion.