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为明确特发性肺纤维化(idiopathic pulmonary fibrosis,IPF)的16层螺旋CT表现特征、合并症及其解剖的优势分布。对临床病理证实的IPF38例行16层螺旋CT检查,其中26例追加薄层CT扫描。观察IPF的CT征像和合并症,评价其CT征像在解剖中优势分布。其中蜂窝肺14例(36.8%),10例(71.4%)主要分布于中下肺的外带、以双肺下叶基底段显著,4例(28.6%)呈弥漫性分布,11例(78.6%)病程在3年以上。小叶内间质增厚16例(42.1%)、小叶间隔增厚20例(52.6%)及支气管血管束增粗9例(23.7%),分别优势分布于中下肺的外带、双肺下叶基底段,双肺下叶及右肺中叶中内带。磨玻璃样密度影15例(39.5%),优势分布于肺的外带,主要以双肺下叶基底段显著;其中10例(66.7%)病程在1年以下。结果表明IPF的16层螺旋CT征象能反映其病理变化,在解剖分布上有明显特点。
To clarify the 16-slice spiral CT features of idiopathic pulmonary fibrosis (IPF), the prevalence of comorbidities and their anatomic distribution. Sixteen cases of IPF38 were clinically and pathologically confirmed by spiral CT, of which 26 cases were additionally thin-section CT scan. CT signs and comorbidities of IPF were observed, and the predominant distribution of CT signs in the anatomy was evaluated. Among them, 14 cases (36.8%) and 10 cases (71.4%) of honeycomb were mainly located outside the middle and lower lungs, with basal segments of lower lobe of lung clearly, 4 cases (28.6%) were diffusely distributed, %) Duration of more than 3 years. There were 16 cases (42.1%) of mesenchymal interstitial thickening, 20 (52.6%) interlobular septal thickening and 9 (23.7%) thickening of bronchovascular bundles, respectively. Leaf basal segment, lower lobe and middle lobe of lung. There were 15 cases (39.5%) of ground-glass-like density images, with the dominant distribution in the lungs, mainly in basal segments of the lower lobes of lungs. The duration of disease in 10 cases (66.7%) was less than 1 year. The results showed that the 16-slice spiral CT sign of IPF can reflect the pathological changes and has obvious characteristics in anatomical distribution.