CT与超声检查诊断各种病理类型阑尾炎的对比研究-东南大学学报医学版

CT与超声检查诊断各种病理类型阑尾炎的对比研究

单位：1. 沈阳市第七人民医院放射科, 辽宁沈阳 110003;
2. 中国医科大学附属第四医院放射科, 辽宁沈阳 110032;
3. 中国医科大学附属第四医院超声科, 辽宁沈阳 110032

分类号：R574.61;R445

出版年·卷·期（页码）：2015·34·第二期（269-272）

摘要：

目的:比较CT与超声检查诊断各种病理类型阑尾炎的临床应用价值.方法:收集临床拟诊为阑尾炎患者162例,均行CT平扫和超声检查并进行阑尾炎临床分型,对照术后病理结果,计算诊断准确率、特异度、灵敏度、阴性预测值、阳性预测值,比较两种检查诊断阑尾炎差异有无统计学意义.结果:经手术后病理证实阑尾炎156例,CT和超声检查诊断准确率分别为91.3%、82.1%,特异度分别为50.0%、66.7%,灵敏度分别为94.9%、85.3%,阴性预测值分别为27.3%、14.8%,阳性预测值分别为98.0%、98.5%.CT与超声检查诊断阑尾炎的准确率差异具有统计学意义.结论:CT和超声检查对阑尾炎的病程进展及不同病理类型的诊断具有重要的临床应用价值,CT诊断单纯性及慢性阑尾炎优于超声检查,可作为超声结果阴性的补充检查方法,为临床提供重要参考信息.

Objective: To compare the clinical value of diagnosis in pathological classification of appendicitis between CT and ultrasound. Methods: CT noncontrast enhanced scan and ultrasound were performed on 162 patients with clinical doubtful appendicitis. Classified appendicitis compared with the results of operation to calculate correctly diagnostic rate, specificity, sensibility, negative predictive value, positive predictive value, and compared the statistical difference between CT and ultrasound. Results: 156 appendicitis were confirmed by pathology after operation, and the correctly diagnostic rate of CT and ultrasound respectively was 91.3% and 82.1%, the specificity respectively was 50.0% and 66.7%, the sensibility respectively was 94.9% and 85.3%, the negative predictive value respectively was 27.3% and 14.8%, the positive predictive value respectively was 98.0% and 98.5%. There was statistical difference between CT and ultrasound. Conclusion: CT and ultrasound have important clinical value in diagnosing different pathologic types and clinical stages of appendicitis, and CT is better than ultrasound in diagnosis of simple and chronicity appendicitis, it can be a complementa examination of negative ultrasonic result and can provide valuable information for clinic.

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