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目的评价256层螺旋CT口服法小肠造影在诊断小肠肿瘤的价值。方法选取216例小肠肿瘤疑患者,男96例,女120例,男女性别比约为4∶5;年龄38~75岁,平均((57.89±11.13)岁,口服2.5%甘露醇约2 000ml,行256-MSCT平扫及增强检查,通过多平面重建观察病变部位、大小、形态、周围侵犯及转移情况,得出CT诊断结果,将结果与最终临床病理结果进行对照分析。结果本研究选取的216例小肠肿瘤疑患者中,60例MSCTE诊断为小肠肿瘤,并与最终病理结果相符。156例MSCT诊断为阴性,其中144例相符,12例漏诊。通过统计学分析计算得出256-MSCT口服法小肠造影诊断小肠肿瘤的敏感度为83.3%[60/(60+12)],特异度为100%[144/(0+144)],正确率为94.4%[(60+144)/(60+0+12+144)],阳性预测值为100%[60/(60+0)],阴性预测值为92.3%[144/(12+144)]。结论 256-MSCT口服法小肠造影诊断小肠肿瘤的敏感度、特异度、正确率、阳性预测值及阴性预测值均较高,具有重要的临床价值。
Objective To evaluate the value of 256-slice spiral CT oral small bowel angiography in the diagnosis of small bowel tumors. Methods A total of 216 patients with suspected small intestinal tumors were enrolled in this study. There were 96 males and 120 females with a sex ratio of about 4: 5. They were 38-75 years old with an average of (57.89 ± 11.13) years, oral administration of about 2.5% mannitol, Line 256-MSCT plain scan and enhanced examination, through the multiplanar reconstruction to observe the lesion, size, shape, surrounding violations and metastases, CT diagnostic results obtained, the results and the final clinical and pathological results were compared.Results The selected Of the 216 patients with suspected small bowel tumors, 60 were diagnosed as small intestinal tumors by MSCTE and were consistent with the final pathological findings.156 MSCT negative results, of which 144 matched and 12 missed, and were statistically analyzed for 256-MSCT oral administration The sensitivity of the small intestine angiography was 83.3% [60 / (60 + 12)] and the specificity was 100% [144 / (0 + 144)] with the correct rate of 94.4% [(60 + 144) / 60 + 0 + 12 + 144)], the positive predictive value was 100% [60 / (60 + 0)] and the negative predictive value was 92.3% [144 / (12 + 144) The sensitivity, specificity, accuracy, positive predictive value and negative predictive value of the diagnosis of small bowel tumors are high, and has important clinical value.