多排螺旋CT低剂量胸部扫描在肺结核复查中的应用

doi:10.3969/j.issn.1000-8535.2017.06.015

广州医药 ›› 2017, Vol. 48 ›› Issue (6): 53-56.DOI: 10.3969/j.issn.1000-8535.2017.06.015

多排螺旋CT低剂量胸部扫描在肺结核复查中的应用

郑浈浈¹, 林枫枫¹, 董琼雄²

1 汕头大学医学院第二附属医院影像科(515041)
2 汕头市第三人民医院影像科(515073)

收稿日期:2017-07-09 发布日期:2021-12-01
基金资助:
汕头市医疗科技计划项目 [汕府科(2015)123号]

Application of low-dose scan of multidetector row CT in the chemotherapy of infiltrative pulmonary tuberculosis

ZHENG Zhenzhen, LIN Fengfeng, DONG Qiongxiong

1 Department of Radiolology, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515041, China
2 Department of Radiolology, The Third People's Hospital of Shantou, Shantou 515073, China

Received:2017-07-09 Published:2021-12-01

摘要/Abstract

摘要： 目的研究多排螺旋CT低剂量扫描在浸润型肺结核化疗期间复查的应用价值。方法选取100例浸润型肺结核化疗期病人为研究对象,对选取100例患者行常规剂量胸部CT扫描后再行低剂量扫描。比较常规剂量组和低剂量组CT扫描的图像质量及疗效评估。结果两组扫描肺窗图像质量比较无统计学差异(P＞0.05);两组肺窗薄层多平面重建图像质量比较无统计学差异(P＞0.05); 两组软组织窗图像质量有统计学意义(P< 0.05)。观察组ED、DLP和CTDIvol等指标低于对照组(P＜0. 01),即观察组受检者CT扫描辐射剂量低于对照组(P＜0.01)。结论多排螺旋CT低剂量胸部扫描用于浸润型肺结核的复查,可以获得与常规剂量接近的肺窗图像质量,满足肺结核病灶的分析评估,并可有效减少胸部CT扫描中的辐射剂量;既能满足肺结核复查的疗效评估,又提高了肺结核CT复查的安全性,还有效节约检查成本。

关键词: 多排螺旋CT, 肺结核, 复查, 低剂量

Abstract: Objective To study the application of low-dose scan of multidetector row CT(MDCT)in the chemotherapy of infiltrative tuberculosis. Methods 100 patients with infiltrative pulmonary tuberculosis who were under treatment were selected. All patients accepted conventional-dose and low-dose scan of MDCT. The image quality and treatment effect of two groups were compared. Results The image quality on lung window of two groups did not differ significantly(P＞0.05). The image quality on lung window with multiplanar reconstruction of two groups also did not differ significantly(P＞0.05). The image quality on soft-tissue window differed significantly (P<0.05). The ED, DLP and CTDIvol of the low-dose group were significantly lower than those of the conventional-dose group. Conclusion For MDCT follow-up examination of patients with infiltrative tuberculosis, the image quality on lung window with low dose is similar to the image quality with conventional dose. It may effectively reduce the exposure dose of CT examination. This cost-effective modality not may can meet the curative effect evaluation of TB, but also can improve the security of the follow-up examination of patients.

Key words: Multidetector row CT, Pulmonary tuberculosis, Follow up, Low dose

郑浈浈, 林枫枫, 董琼雄. 多排螺旋CT低剂量胸部扫描在肺结核复查中的应用[J]. 广州医药, 2017, 48(6): 53-56.

ZHENG Zhenzhen, LIN Fengfeng, DONG Qiongxiong. Application of low-dose scan of multidetector row CT in the chemotherapy of infiltrative pulmonary tuberculosis[J]. Guangzhou Medical Journal, 2017, 48(6): 53-56.

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多排螺旋CT低剂量胸部扫描在肺结核复查中的应用

Application of low-dose scan of multidetector row CT in the chemotherapy of infiltrative pulmonary tuberculosis

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