Research on Application of Low-Dose MSCT in Diagnosis of Peripheral Lung Cancers
LIU Ji-feng1, GUO Wang-ming2, SUN Hai-feng3
1.Department of Radiology, Xinbao Central Hospital, Yangyuan Hebei 075836, China; 2.Department of Radiology, Beijing Beiya Hospital Beijing 100102; 3.Department of Radiology, Meihekou Central Hospital, Meihekou Jilin 135099, China
Abstract：Objective To discuss the effectiveness of application of low-dose MSCT (Multi-Slice Computed Tomography) in diagnosis of peripheral lung cancers. Methods Altogether 315 patients who had high risks of lung cancers and had been treated in Meihekou Central Hospital from January 2011 to May 2014 were selected and divided randomly through the random number table into two groups: Low Dose Group (168 cases) and Conventional Dose Group (147 cases). MSCT was performed in both groups with 120 kV tube voltage. The tube current adopted in Low Dose Group was 25 mA versus Conventional Dose Group's 250 mA. Taken pathologically-confirmed bronchoscophic reports as the gold standard, the diagnostic sensitivity, specificity and accuracy were calculated and compared between two groups. Results The diagnostic sensitivity, specificity and accuracy of Low Dose Group were 83.7%, 90.7% and 88.7% versus Conventional Dose Group's 87.0%, 91.1% and 89.8% with no statistically significant differences (P> 0.05). Conclusion Low-dose MSCT scanning had proven its effectiveness in clinical diagnosis of peripheral lung cancers.
刘继峰，郭旺明，孙海峰. 低剂量多层螺旋CT在周围型肺癌诊断中的应用研究[J]. 中国医疗设备, 2015, 30(6): 68-69.
LIU Ji-feng, GUO Wang-ming, SUN Hai-feng. Research on Application of Low-Dose MSCT in Diagnosis of Peripheral Lung Cancers. China Medical Devices, 2015, 30(6): 68-69.
