多层螺旋CT薄层扫描对周围型小肺癌的诊断价值
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[摘 要] 目的：探讨多层螺旋CT薄层扫描及MPR重建对周围型小肺癌的征象显示率及诊断价值。方法：12例周围型小肺癌均进行了多层螺旋CT常规扫描后对病灶区域加薄层扫描，8例行动态增强扫描。结果：薄层扫描对周围型小肺癌的征象显示率明显高于常规扫描，具体是空泡征〔4/2〕，小结节堆砌征〔5/3〕，支气管充气征〔3/1〕，分叶征〔7/4〕，毛刺征〔9/5〕，胸膜凹陷征〔4/2〕。结论：多层螺旋CT薄层扫描及MPR重建对周围型小肺癌的诊断及鉴别诊断具有较高的临床应用价值。
[关键词] 小肺癌；周围型；薄层扫描；多层螺旋；CT诊断价值
[Abstract] Objective:To investigate the value of multi-planar reconstruction(MPR)of Multi-slice spiral CT in imaging and diagnosing Peripheral Small Lung Carcinoma 。Methods :Twelve Patients with Peripheral Small Lung Cancer were all checked with multi-slice Spiral CT and multi-planar reconstruction ，and eight cases were performed with dynamic contrast-enhanced scans。Results :The incidence of lobulation sign (4/2)，node—fusion phenomenon (5/3),air-bronchogram (3/1),marginal speculated sign (9/5),pleural indentation sign (4/2)on thin-slice images and MPR images was significantly higher than that on regular scans in Peripheral Small Lung Carcinoma .Conclusion :Multi-slice spiral CT thin-slice images and multi-planar reconstruction have effective value in the diagnosis and differential diagnosis for Peripheral Small Lung Cancer ......
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