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血管纠集征的CT研究
作者:刘斌1 杨明1 储成凤1 徐秋贞1 朱晓莉2 姚青3 张俭1 
单位:1.东南大学附属中大医院,放射科,江苏,南京,210009; 2.东南大学附属中大医院,呼吸科,江苏,南京,210009; 3.东南大学附属中大医院,病理科,江苏,南京,210009
关键词:肺肿瘤/放射摄影术 结节病 肺/放射摄影术 体层摄影术 X线计算机 肺动脉 肺静脉 
分类号:R521, R814.42, R734.3
出版年·卷·期(页码):2005·24·第四期(240-243)
摘要:

目的:评价血管纠集征在常规横断位及三维重建中的出现率,探讨其对良、恶性肺结节的诊断价值.方法:回顾性分析病理和临床证实的良、恶性肺结节47例,分别统计血管纠集征在横断面及三维重建图像上的出现率,并判断结节处血管有无增粗.结果:(1)在横断面及三维重建中,恶性肺结节血管纠集征的出现率均分别高于良性结节,但两者之间无明显统计学差异(P>0.05).(2)恶性肺结节三维重建后血管纠集征的出现明显高于横断面,两者之间有明显的统计学差异(P<0.01).(3)恶性肺结节三维重建后血管增粗数明显高于横断面,两者之间有明显的统计学差异(P<0.01).(4)恶性肺结节三维重建后血管增粗数明显高于良性结节,两者之间有明显的统计学差异(P<0.01).结论:(1)血管纠集征不是恶性肺结节的特异性征象,但在恶性肺结节中出现率略高.(2)结节处血管增粗高度提示为恶性结节.

Objective To evaluate the rate of appearance of the vascular convergence sign in CT of axial and three-dimentional reconstruction images and its diagnostic value in differentiating benign and malignant pulmonary nodules.Methods Forty-seven pulmonary nodules were retrospectively analyzed which were confirmed histologically or by clinical survey. The rate of appearance of the vascular convergence sign in CT of anxial and three-dimentional reconstruction was calculated,and thickened vessels were judged. Results 1. In axial and three-dimentional reconstruction images,more of the vascular convergence sign were found in malignant pulmonary nodules than in benign ones without statistically significant differences (P>0.05). 2. More of the vascular convergence sign were found in malignant pulmonary nodules in three-dimentional reconstruction than in axial ones with significant differences (P<0.01). 3. Thickened vessels in three-dimentional reconstruction significantly outnumbered that of axial ones(P<0.01). 4. Thickened vessels of three-dimentional reconstruction in malignant pulmonary nodules was more than that of benign ones with significantly statistical differences(P<0.01). Conclusion 1. The vascular convergence sign is not a specific image of malignant pulmonary nodules,it is more likely to exist in malignant pulmonary nod-ules than in benign ones.2.The thickened vessels strongly imply malignant pulmonary nodules.

参考文献:

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