Study on patient dose and image quality of low-dose CT in lung scanning
ZHAO Xipeng1, XU Hui1, HUANG Zhuo1, YUE Baorong1
Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088 China
[1] United Nations Scientific Committee on the Effects of Atomic Radiation. UNSCEAR report 2018. EVALUATION OF MEDICAL EXPOSURES TO IONIZING RADIATION[R]. Vienna 2018. [2] 徐辉, 王建超, 黄卓, 等. 宽束多排螺旋CT剂量的测量研究[J]. 中国辐射卫生,2017,26(6):623-626, 636 [3] Berrington de González A, Mahesh M, Kim K P, et al. Projected cancer risks from computed tomographic scans performed in the United States in 2007[J]. Arch Intern Med, 2009, 169(22): 2071-2077 [4] 刘士远, 于红. CT低剂量扫描的研究和应用现状[J]. 中华放射学杂志,2013,47(4):295-300 [5] 毕金玲, 盛茂, 丁露, 等. 低剂量CT在肺癌筛查中的应用研究[J]. 中国辐射卫生,2018,27(4):46-49, 54 [6] 刘芳, 王小山, 陈英民, 等. 两种CT胸部扫描模式下DLP值的测量与分析[J]. 中国辐射卫生,2019,28(6):633-635 [7] 杨志刚, 余建群, 李真林. 低剂量螺旋CT普查早期周围型肺癌的研究进展[J]. 中华放射学杂志,2003,37(3):276-278 [8] Huber A, Landau J, Ebner L, et al. Erratum to: Performance of ultralow-dose CT with iterative reconstruction in lung cancer screening: limiting radiation exposure to the equivalent of conventional chest X-ray imaging[J]. Eur Radiol, 2016, 26(10): 3653 [9] International Commission on Radiological Protection. ICRP Publication 102. Managing patient dose in multi-detector computed tomography (MDCT)[R]. Oxford: Pergamon Press, 2007. [10] Bach P B, Mirkin J N, Oliver T K, et al. Benefits and harms of CT screening for lung cancer: a systematic review[J]. JAMA, 2012, 307(22): 2418-2429 [11] Henschke C I, Yankelevitz D F, Naidich D P, et al. CT screening for lung cancer: suspiciousness of nodules according to size on baseline scans[J]. Radiology, 2004, 231(1): 164-168 [12] Milanese G, Silva M, Frauenfelder T, et al. Comparison of ultra-low dose chest CT scanning protocols for the detection of pulmonary nodules: a phantom study[J]. Tumori, 2019, 105(5): 394-403 [13] 朱天照, 唐光健, 蒋学祥. 低剂量螺旋CT肺结节扫描与常规剂量CT的对照研究[J]. 中华放射学杂志,2004,38(4):428-431 [14] 吴晓华, 马大庆, 张忠嘉, 等. 多层螺旋CT胸部低剂量扫描发现肺结节的临床研究[J]. 中华放射学杂志,2004,38(7):767-770 [15] Jin S Q, Zhang B, Zhang L N, et al. Lung nodules assessment in ultra-low-dose CT with iterative reconstruction compared to conventional dose CT[J]. Quant Imaging Med Surg, 2018, 8(5): 480-490 [16] Zhang M, Qi W W, Sun Y, et al. Screening for lung cancer using sub-millisievert chest CT with iterative reconstruction algorithm: image quality and nodule detectability[J]. Br J Radiol, 2018, 91(1090): 20170658 [17] Ju Y H, Lee G, Lee J W, et al. Ultra-low-dose lung screening CT with model-based iterative reconstruction: an assessment of image quality and lesion conspicuity[J]. Acta Radiol, 2018, 59(5): 553-559 [18] Prendki V, Scheffler M, Huttner B, et al. Low-dose computed tomography for the diagnosis of pneumonia in elderly patients: a prospective, interventional cohort study[J]. Eur Respir J, 2018, 51(5): 1702375 [19] 卞柳利, 姚利华. 64层CT低剂量技术在肺炎复查中的应用[J]. 中国中西医结合影像学杂志,2013,11(5):85-86 [20] 马爱冬. 儿童胸部CT低剂量扫描[J]. 中国辐射卫生,2011,20(4):503-504 [21] 孙记航, 于彤, 段晓岷, 等. 基于模型的迭代重建算法与自适应迭代重建算法对肺炎患儿胸部低剂量CT图像质量的优化[J]. 中国医学影像技术,2014,30(9):1414-1418 [22] 戴欣, 吕圣秀, 李仕霞, 等. 艾滋病并发卡氏肺囊虫肺炎低剂量胸部CT扫描和防护的价值[J]. 现代医药卫生,2013,29(21):3286-3287, 3295 [23] Aldosari S, Sun Z H. A systematic review of double low-dose CT pulmonary angiography in pulmonary embolism[J]. Curr Med Imaging Rev, 2019, 15(5): 453-460 [24] Aldosari S, Almoudi M, Sun Z. Double-low dose protocol of computed tomography pulmonary angiography (CTPA) in the diagnosis of pulmonary embolism: a feasible approach for reduction of both contrast medium and radiation doses[J]. Heart Res Open J, 2017, 4(2): 33-38 [25] Szucs-Farkas Z, Schibler F, Cullmann J, et al. Diagnostic accuracy of pulmonary CT angiography at low tube voltage: intraindividual comparison of a normal-dose protocol at 120 kVp and a low-dose protocol at 80 kVp using reduced amount of contrast medium in a simulation study[J]. AJR Am J Roentgenol, 2011, 197(5): W852-W859 [26] Li X, Ni Q Q, Schoepf U J, et al. 70-kVp high-pitch computed tomography pulmonary angiography with 40 mL contrast agent: initial experience[J]. Acad Radiol, 2015, 22(12): 1562-1570 [27] Kilic K, Erbas G, Ucar M, et al. Determination of lowest possible contrast volume in computed tomography pulmonary angiography by using pulmonary transit time[J]. Jpn J Radiol, 2014, 32(2): 90-97 [28] Greffier J, Boccalini S, Beregi J P, et al. CT dose optimization for the detection of pulmonary arteriovenous malformation (PAVM): a phantom study[J]. Diagn Interv Imaging, 2020, 101(5): 289-297 [29] O'Brien C, Kok H K, Kelly B, et al. To investigate dose reduction and comparability of standard dose CT vs Ultra low dose CT in evaluating pulmonary emphysema[J]. Clin Imaging, 2019, 53: 115-119