目的分析儿童支原体肺炎(MP) 的CT及X线影像学特点与诊断准确性。方 法 选取2013年3月至2018年4月我院收治 的疑似支原体肺炎患儿65例为研究对象， 均在患儿及家属自愿基础上进行CT检查和 X线检查，对比两种影像学检查结果与诊 断准确性。结果 CT检查发现，患儿肺部 表现均呈现异常，检查结果显示患儿肺实 质阴影，呈斑片状，且胸腔存在部分积 液；X线影像学检查，可分为节段性实质 型、间质性润湿型、支气管炎类型和混 合型各15、8、10、3例；CT检查确诊MP 患儿的灵敏度、特异度、准确度均显著 高于X线检查，差异比较有统计学意义(P ＜0.05)。结论 采CT检查方法对MP患儿进 行早期诊断结果优于X线检查，且诊断准 确度更高，值得在临床上推广。

Objective To analyze the CT and X-ray imaging features of children with mycoplasma pneumonia (MP) and the diagnostic accuracy. Methods A total of 65 children with suspected MP who were admitted to the hospital during the period from March 2013 to April 2018 were selected as study subjects. All children underwent CT or X-ray examination voluntarily. Results and diagnostic accuracyof the two imaging examinations were compared. Results CT examination showedabnormalities in lungs. The examination results showedlung parenchymal shadowswhich were patchy and some effusion in the thoracic cavity. X-ray imaging examination showed segmental parenchyma, interstitial moist type, bronchitis type and mixed type in 15, 8, 10 and 3 cases, respectively. The sensitivity, specificity and accuracy of CT in diagnosis of CT were significantly higher than those of X-ray examination(P<0.05). Conclusion Results of CT are superior to those of X-ray examination in early diagnosis of MP in children, with higher diagnosis accuracy.