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目的探讨多层螺旋CT血管造影(CTA)在肺癌支气管动脉(BA)成像方面的临床应用价值。方法回顾性分析56例经病理证实的原发性肺癌患者的影像学资料,所有患者均进行多层螺旋CT胸部增强扫描,分别采用容积显示(VR)、最大密度投影(MIP)、多平面重建(MPR)等方法进行后重建处理,观察分析BA形态特征。结果 56例患者中46例BA清晰显示,共计76支,显示率为82.1%,显示率82.1%;15例左肺癌显示左BA 12支(共干1支),左胸廓内动脉1支,左肋间动脉2支,右BA 9支;31例右肺癌患者显示左BA 21支,右BA 20支(共干1支),右肋间动脉11支;肺癌患侧BA直径多大于2mm,较对侧明显增粗(P<0.05)。结论 CT血管成像技术可清晰显示肺癌支气管动脉开口、走行、管径,为临床诊断及治疗提供的定位及参考。
Objective To investigate the clinical value of multi-slice spiral CT angiography (CTA) in bronchial artery (BA) imaging of lung cancer. Methods The imaging data of 56 patients with pathologically confirmed primary lung cancer were retrospectively analyzed. All patients underwent multi-slice spiral CT thoracic enhanced scanning. The volume of the lungs was measured by volumetric display (VR), maximum density projection (MIP), multiplanar reconstruction (MPR) and other methods for post-reconstruction treatment, observation and analysis of BA morphological characteristics. Results Of the 56 patients, 46 cases of BA clearly showed a total of 76 with a rate of 82.1% and a rate of 82.1%. Fifteen patients with left lung cancer showed left BA 12 (1 in total), 1 left internal thoracic artery, 2 in the intercostal artery and 9 in the right BA; 31 patients with right lung cancer showed left BA 21, right BA 20, and right intercostal 11; Contralateral significant thickening (P <0.05). Conclusion CT angiography can clearly show the bronchial artery of lung cancer opening, walking, diameter, clinical diagnosis and treatment provide the positioning and reference.