不同前纵膈病变的CT特征表现特点及CT诊断价值研究

Characteristic expression and Diagnostic value of CT for different anterior mediastinal lesions

目的研究不同前纵膈病变的CT特征表现特点及CT诊断价值。方法选择2014年5月~2016年6月间收治的27例前纵膈病变患者,患者均接受病理学与CT检查确诊,以病理学检查结果为诊断标准,评估CT检查诊断准确率、特异性、敏感度及误诊情况。结果 CT检查后结果提示良性病变20例(74.07%)、恶性病变7例(25.93%);术后以病理学检测结果评估CT准确率,结果提示CT判断结果正确为良性19例(70.37%)、恶性病变为8例(29.63%),假阴性2例(7.41%)。显示CT诊断准确率为88.89%(24/27)、特异性为95%(19/20)、敏感性71.43%(5/7)、误诊率7.41%(2/27)。结论对前纵膈病变患者提供CT检查,主要优势为操作用时短、检查中痛苦小、适用范围广泛、具有积极诊断意义,经济安全,可作为前纵膈病变诊断的首选方式。

Objective To study the CT features of different anterior mediastinal lesions and the diagnostic value of CT. Methods 27 patients with anterior mediastinum lesions from May 2014 to June 2016 were confirmed by pathology and CT examination.The pathological examination results were used as the diagnostic criteria,the diagnostic accuracy,specificity,sensitivity and misdiagnosis of CT were evaluated. Results The results of CT showed that there were 20 benign lesions（74.07%） and 7 malignant lesions（25.93%）;The accuracy of CT was evaluated by pathological examination after operation.The results of CT were benign in 19 cases（70.37%）,malignant lesions in 8 cases（29.63%）,false negative in 2 cases（7.41%）.The diagnostic accuracy of CT was 88.89%（24/27）,the specificity was 95%（19/20）,the sensitivity was 71.43%（5/7）,and the misdiagnosis rate was 7.41%（2/27）. Conclusion The main advantages of CT examination for the anterior mediastinal lesions are short operation time,small pain during examination,wide range of application,positive diagnostic significance,economic and safety,and can be used as the preferred method for the diagnosis of anterior mediastinum lesions.