CT检查对临床怀疑阑尾炎者准确率较高,尤其是使用薄层螺旋扫描及适当的回盲肠造影,但是许多征象也可在类似阑尾炎的疾病中出现。作者旨在评价每一阑尾炎CT征象的敏感性和特异性,以明确阑尾CT的诊断价值。作者共行阑尾CT检查200例,其中阑尾炎100例,正常阑尾100例,男性89例,女性111例,年龄3～86岁。CT扫描前,全部病人均口服或灌肠对比剂,135例口服2.1％的硫酸钡混悬液,平均剂量500ml,186例用3％泛影葡 CT examination of clinical suspicion of appendicitis with a higher accuracy, especially the use of thin-section spiral scan and appropriate ileoceography, but many signs may also appear in appendicitis disease. The authors aimed to evaluate the sensitivity and specificity of CT signs of each appendicitis to determine the diagnostic value of appendix CT. The authors performed a total of 200 cases of appendix CT examination, of which appendicitis in 100 cases, 100 cases of normal appendix, 89 males and 111 females, aged 3 to 86 years. Before CT scan, all patients were orally or enema contrast agent, 135 cases of 2.1% oral administration of barium sulfate suspension, the average dose of 500ml, 186 cases with 3%