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[目的]探讨不典型肺结核的影像学特点,提高正确诊断率。[方法]分析86例具有细菌学或病理证实的不典型肺结核CT影像特征。[结果]CT影像表现5种类型:肺叶或肺段炎症实变型、结节或块状型、肺门肿块型、中叶/舌段不张型和弥漫小结节型。[结论]不典型肺结核CT特征类似肺炎或肺癌,仅凭影像学诊断易误诊,影像不典型的原因似与机体免疫功能低下有关。
[Objective] To investigate the imaging features of atypical pulmonary tuberculosis and improve the correct diagnosis rate. [Method] The CT image features of atypical pulmonary tuberculosis in 86 cases with bacteriological or pathological diagnosis were analyzed. [Results] There were five types of CT images: solid lesions of lung or lung segment, nodules or masses, hilar masses, middle / tongue segments and diffuse nodules. [Conclusions] CT features of atypical pulmonary tuberculosis are similar to those of pneumonia or lung cancer, which are easily misdiagnosed only by imaging diagnosis. The atypical causes of the atypical pulmonary tuberculosis may be related to the low immune function.