摘要
目的探讨多层螺旋CT三维重组对孤立型细支气管肺泡癌(bronchioloalveolar carcinoma,BAC)的诊断价值。资料与方法经病理证实的孤立型BAC 35例,分析高分辨率CT(HRCT)扫描、多平面重组(MPR)和容积再现(VR)技术对孤立型BAC基本征象的显示价值,并与常规横断位图像对比分析。结果35例孤立型BAC根据CT图像上病灶密度表现将病灶分为3种类型:(1)单纯磨玻璃密度结节(8例);(2)混杂密度结节(20例);(3)单纯实性密度结节(7例)。HRCT、MPR及VR在显示孤立型BAC的空泡征、纯磨玻璃征、环晕征、分叶征、毛刺征、胸膜凹陷征及支气管血管集束征方面优于常规横断位。结论HRCT及三维重组,较常规横断位扫描能更准确地显示孤立型BAC的内部细微结构及周围形态改变,对孤立型BAC诊断具有重要价值。
Objective To explore the value of multiple-slices spiral CT three-dimensional reformation showing isolated bronchioloalveolar carcinoma. Materials and Methods 35 cases of bronchioloalveolar carcinoma were demonstrated by pathology. The diagnostic value were analyzed by high-resolution CT (HRCT) , multiple planar reconstruction (MPR) and volume rendring(VR) , compared with routine axial image. Results 35 cases of hronchioloalveolar carcinoma were divided into three types according to lesion density: pure ground glass opacity(8 cases), mixed density nodules(20 cases) and focal nodules(7 cases ). HRCT, MPR and VR were superior to axial scanning in displaying the vacuole or air-bronchogram, ground glass opacity, lobulation, coarse edge, the pleual retraction and the convergence of peripheral vessels. Conclusion Multi-slices spiral CT and three-dimensional reformation more precisely show microstructure, morphologic changes of bronchiole-alveolar carcinoma than routine axial scanning, it is an important technique for the diagnosis and differential diagnosis of isolated bronchioloalveolar carcinoma.
出处
《临床放射学杂志》
CSCD
北大核心
2009年第2期185-188,共4页
Journal of Clinical Radiology
关键词
细支气管肺泡癌
体层摄影术
X线计算机
图像处理
Bronchioloalveolar carcinoma Tomography, X-ray computed Digital image processing