320排CT双入口灌注扫描技术对良恶性孤立性肺结节血流动力学的评价价值

发布时间：2018-06-14 06:47

本文选题：孤立性肺结节 + 体层摄影技术　；参考：《山东医药》2017年05期

【摘要】：目的探讨320排CT双入口灌注扫描技术对良恶性孤立性肺结节(SPN)血流动力学的评价价值。方法选择经病理检查确诊的SPN患者32例,其中恶性25例、良性7例。均采用320排CT双入口灌注技术进行容积扫描,记录肺动脉血流量(PF)、支气管动脉血流量(BF),计算血流灌注指数(PI);绘制病灶时间-密度(TDC)曲线,计算左心房达峰时间(LA-TTP)前后上升曲线斜率及病灶总体曲线斜率。结果良、恶性SPN的BF、PI比较差异有统计学意义(P均0.05),PF比较差异无统计学意义(P0.05)。良、恶性SPN的LA-TTP前方曲线最大斜率、LA-TTP后方曲线最大斜率、总体曲线斜率比较差异有统计学意义(P均0.05)。结论可根据320排CT双入口灌注技术测量的BF、PI及LA-TTP前后上升曲线斜率、病灶总体曲线斜率评价良恶性SPN血流动力学变化。
[Abstract]:Objective to evaluate the value of 320-slice CT double-portal perfusion scan in evaluating hemodynamics of benign and malignant solitary pulmonary nodule (SPN). Methods 32 patients with SPN were selected, including 25 malignant and 7 benign. The volume of pulmonary artery blood flow (PFN) and bronchoarterial blood flow (BFV) were recorded by using 320 slice CT double inlet perfusion technique. The perfusion index was calculated and the time-density TDCcurve was plotted. The slope of the ascending curve and the total curve slope of the lesion were calculated before and after LA-TTP. Results there was significant difference between benign SPN and malignant SPN (P < 0.05). There was no significant difference in PF between benign and malignant SPN (P 0.05). The maximum slope of the LA-TTP front curve and the maximum slope of the LA-TTP posterior curve of benign and malignant SPN were significantly different from those of the total curve (P < 0.05). Conclusion it is possible to evaluate the hemodynamic changes of benign and malignant SPN according to the slope of ascending curve measured by 320 slice CT double inlet perfusion technique before and after BFN Pi and LA-TTP and the total curve slope of lesion.
【作者单位】：延边大学附属医院;
【分类号】：R563;R734.2

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