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活动性肺结核是指新涂阳、复治涂阳和新涂阴患者,也是指痰涂片阳性者,说明有结核分枝杆菌排出,病灶属于活动期或传染期,X线胸片上常有斑片状阴影或是结核空洞,或者播散病灶,也证明结核分枝杆菌繁殖活跃,毒力强。分析活动性肺结核的影像学特征及鉴别诊断方法,能提高其影像学诊断水平。临床常用的辅助诊断方法多为CT扫描诊断与X线成像胸片诊断[1、2],可出现多种影像表现。CT扫描能够呈现出多
Active tuberculosis refers to the new smear, retreatment smear and new smear patients, also refers to sputum smear positive, indicating the discharge of Mycobacterium tuberculosis, the lesion is active or infectious period, often X-ray chest Flaky or nodular shadows of holes, or disseminated lesions, but also proved that Mycobacterium tuberculosis breeding active, strong virulence. Analysis of imaging features of active tuberculosis and differential diagnosis can improve the diagnostic level of imaging. Common clinical diagnostic methods are mostly CT scan and chest X-ray imaging diagnosis [1,2], there may be a variety of imaging performance. CT scan can show more