纵隔疾病的磁共振成像汪延明综述△肖湘生审校纵隔结构复杂，病种较多，鉴别诊断较困难。目前影像学检查仍然是纵隔占位性病变诊断的主要手段。常规胸片的诊断价值有限；ＣＴ的诊断价值较高，特别是在纵隔内大量脂肪的衬托下能很好地显示出纵隔的解剖结构和占位性病变的形... Magnetic resonance imaging of mediastinal disease Wang Yanming Summary △ Xiangxiao Health proofreading mediastinum structure is complex, more diseases, differential diagnosis more difficult. Imaging examination is still the main means of diagnosis of mediastinal space-occupying lesions. The diagnostic value of conventional chest radiographs is limited; the diagnostic value of CT is high, especially in the mediastinal mass of fat against the background of the mediastinal anatomy and mass lesions can be well displayed.