目的 探讨弥散加权成像(DWI)联合普美显(Gd-EOB-DTPA)MR成像在肝癌肝动脉化疗栓塞术(transarterial chemoembolization,TACE)后疗效评估中的应用价值。方法 20例确诊肝癌患者于TACE术前、术后行上腹部DWI及Gd-EOB-DTPA动态增强扫描,定性分析TACE术前、后肝癌活性成分、坏死情况和复发转移情况。测量TACE术前、术后病灶的表观扩散系数(A
Objectives To explore whether histogram analysis of the whole-liver parenchymas apparent diffusion coefficient(ADC)values could quantify liver fibrosis stages.Materials and Methods Eighty-four patient
Objective To assess the utility of lesion size and iodine quantification using dual-energy spectral CT to distinguish between low-and high-grade clear cell renal cell carcinomas.Methods Spectral param
Purpose: Gamma-aminobutyric acid(GABA)is the primary inhibitory neurotransmitter in the brain,and is involved in modulating intrinsic neural activity.Previous one study has shown that GABA levels are
Objective:Combining dual energy CT myocardial perfusion imaging analysis of vascular and heart function with echocardiographic to comprehensively assess cardiac function change of coronary artery tort
Objective: To study the patients with maintenance hemodialysis(MHD)coronary artery calcium score(CACS)and cardiac MRI assessment of left ventricular ejection fraction(LEVE)、limitation of ventricular w
目的 比较臭氧联合胶原酶与单纯臭氧或单纯胶原酶治疗椎间盘突出症的治疗效果,为临床合理选择治疗方式提供循证医学证据. 方法 计算机检索PubMed、CENTRAL、EMbase、the ISI Web of Knowledge Databases、VIP、CNKI、CBM和万方数据库,查找所有比较臭氧联合胶原酶和单纯臭氧或单纯胶原酶治疗椎间盘突出症的随机(RCT)或半随机对照试验(CCT),检索时限
Object To perform a meta-analysis exploring the correlation between liver histology and magnetic resonance imaging in assessing liver fat content.Material and Methods We search medical and scientific
目的 采用峰值跟踪法进行胰腺动脉期CT增强扫描. 材料和方法 首先给被检者进行上腹部CT平扫,在平扫的图像中选择腹主动脉与肠系膜上动脉交界处图像,在图像中的动脉标记一个圆.给被检者注射对比剂,当腹主动脉与肠系膜上动脉交界处CT值大于100HU,立即按下按钮进行CT扫描. 结果 69例胰腺动脉期动态增强CT扫描.显示动脉期胰腺的满意程度为100%.动脉平均CT值为266. 结论 采用峰值跟踪法进行胰
目的:用荟萃(Meta)分析定量评价和比较CT、MRI对椎间盘突出症的诊断价值. 方法:检索Pubmed、OVID、EBSCO外文数据库、中国期刊全文数据库(CNKI)、中国生物医学文献数据库(CBM)和万方数据库中的相关文献,结合Cochrane协作网推荐内容制定纳入标准筛选文献,提取纳入研究的特征信息并对纳入文献进行质量评估.采用STATA 11.0、Meta-Disc 1.4、SPSS 16