【摘要】 目的探讨螺旋CT动态增强扫描对肺结核球、炎性假瘤的诊断和鉴别诊断意义。资料与方法对14例孤立性肺结节进行螺旋CT动态增强扫描,其中肺结核球7例,肺炎性假瘤7例,并绘制时间-密度曲线,观察最高强化值和出现的时间。结果 7例结核球中5例无强化,2例环状强化。7例炎性假瘤均呈显著高度强化,最高强化值均在100HU以上,最高强化值出现的时间分别为26秒、28秒、30秒、32秒、33秒、110秒和122秒。结论 CT动态增强扫描能反应肺结节的血供特点,对肺结核球和炎性假瘤的诊断和鉴别诊断有一定临床意义。更多还原

【Abstract】 Objective To investigate the dynamic enhanced CT scan in diagnosis and differential diagnosis of pulmonary tuberculoma and inflammatory pesudotumor. Methods Dynamic enhanced CT scan was performed on 14 cases of solitary pulmonary nodule. Of the 14 cases proved by postoperative pathology, 7 were pulmonary tuberculoma, and 7 were inflammatory pesudotumor. Time-density curve was drawed. The peak enhancement value and its emergence time were observed. Results Of the 7 cases of tuberculoma, 5 were not enhanced, and 2 were cricoid enhanced. All the 7 cases of inflammatory pesudotumor were remarkably enhanced, with the peak enhancement value of over 100 HU in all cases; the peak enhancements began at 26 s, 28 s, 30 s, 32 s, 33 s, 110 s, and 122 s, respectively, after injection. Conclusion Dynamic enhanced CT scan can reflect the characters of blood supply of pulmonary noudles. It is of certain value to diagnosis and differential diagnosis of pulmonary tuberculoma and inflammatory pseudotumor.更多还原