螺旋CT对急腹症病因诊断的价值

目的：探讨螺旋CT对急腹症病因诊断的价值。方法：对363例临床怀疑为急腹症的患者行螺旋CT扫描,将术前CT诊断结果与手术、病理或临床随访结果进行对照。结果：CT发现287例真阳性,56例真阴性,18例假阴性和2例假阳性。CT对急腹症诊断的敏感性94.1%,特异性96.6%,准确性94.5%,病因诊断的准确性92.5%。结论：CT有助于诊断或排除急腹症,可快速显示急腹症的病变部位、程度和病因,为临床及时诊断和选择治疗方案提供准确的参考依据。

Evaluation of CT in the cause diagnosis of acute abdomen

Objective: To evaluate the value of CT in the cause diagnosis of acute abdomen.Methods: CT was performend in 363 patients with clinically suspected acute abdomen.CT findings were correlated with pathological and follow-up results.Results: CT showed 287 true-positive,56 true-negative,18 false-negative,and 2 false-positive cases,which yielded a sensitivity of 94.1%,a specificity of 96.6% and an accuracy of 94.5%,the accurate of the cause diagnosis of 92.5%.Conclusion: CT is favourable to diagnose or exclude acute abdomen for suggestible patients since it can identify the range,extend and cause of lesion,and provide valuable information for clinical diagnosis and treatment.