1Application value of transcranial Doppler in cerebral vasospasm caused by anterior circulation ruptured aneurysmDU Li, PAN Yuan, SONG Weiqin, HE Xiliang, XIN Tao, LU PeilinArticles1-42Primary cellular schwannoma in bone: one case reportReports4,113Study of ALFF and Reho in the brain regions of deaf children by fMRI changeLIU Jie, LIU YingArticles5-114The value of two dimensions combined with three dimensions in the diagnosis of cephalic and anencephaly in fetuses at 11 ~ 14 weeks of gestationQIN Bo, ZHAO Xiaoli, NIU Jing, YANG Lijuan, CHEN ShengjiangArticles12-15,285Application of MRI combined ultrasound and chromosome microarray analysis in prenatal diagnosis of abnormal fetuses in central nervous systemWANG Lishun, WANG Qichen, ZHANG Guoliang, NIE Hongyan, LI Gang, BAI Liwei, HUA TianshuArticles16-19,246The imaging features of benign melanotic peripherial neurogenic tumorsLI Xian, ZHANG Lihong, WANG Linsheng, Yu Hao, LIU Xiaolong, WANG Weiwei, WANG Su, CHEN YugeArticles20-247Application of ultrasound elastography grading and scoring in the differential diagnosis of benign and malignant thyroid massesZHOU Yanke, LI Qian, TIAN Jing, WANG JingminArticles25-288Application of low dose CT combined with iterative modelreconstruction in pulmonary nodulesSHAO Shengchao, SHEN Yuying, CAI Qing, DING Xinyuan, CHEN Shuangqing, LIU Yunlian, CHEN Qian, LIU Chenlu, ZHAO ChunhuaArticles29-329MSCT diagnosis of mediastinal lymph node tuberculosis and mediastinal lymph node metastasisLIN Na, XU Zhuodong, YUAN Xiaoji, JIAO HuiArticles33-3610The predictive value of CT density histogram for the pathological grade of purely ground-glass nodules in the lungXU Xiaodong, LI Junquan, WU Xiangfei, SUN Saihong, ZHAO DanhongArticles37-39,4211The exploration of prevention and control measures of imaging examinations in patiats with COVID-19QI Ruping, DONG Jinghui, WANG Bin, TONG Xianglin, YOU JintaoArticles40-4212Spectrum analysis of fetal aortic isthmus flow using fetal echocardiographyLIN Shen, WANG Shiya, LUO ShuyuArticles43-46,5413Evaluation of long-term prognosis in patients with chronic heart failure by color Doppler echocardiography combined with NT-proBNPZHAO Yan, QIAO XudongArticles47-5014Analysis of the difference between MRI apparent diffusion coefficient and R2 * value of small hepatocellular carcinoma and cirrhosis noduleZHU Zhixiang, ZHAO Sen, REN Wenyan, SHEN Songhe, ZHUANG Yan, LI Huiping, WANG ZhixueArticles51-5415Differences in efficacy between TACE + RFA and TACE + MWA in early primary hepatocellular carcinomaPAN Jie, LI WenhuiArticles55-59,6216The study of the determination of iodine content and spectrum curve in normal liver using dual energy CTSUN Xiaoxia, ZHANG Guicheng, MA Yu, WEN Jie, WANG Hao, YU Daiyou, ZHANG WenqiangArticles60-6217The value of MRI and CT in the diagnosis of different types of gallbladder adenomyosisDUAN Qianshen, DING Danhui, ZHANG Zhili, CUI ErfengArticles63-6618Stage Ⅰ intravenous leiomyomatosis of uterus: one case reportReports66,7119The application value of separate bolus injection in single phase imaging technique in MSCT urinary system imagingPAN Weiling, LI Xia, CHEN LiliArticles67-7120The value of high-resolution MRI and DWI sequence in preoperative T, N staging and peri circumcision of rectal canceGU Meilan, XIAO Xinguang, LYU PeipeiArticles72-77