http://med-sci.cn/cgzcx zh-cn An RSS feed for Chinese Journal of Magnetic Resonance Imaging http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.001 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.002 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.003 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.004 0.50)。双期3D CEMRA上AD双腔呈特征性动态显现：第一期，真腔全程显影，假腔节段性显影；第二期，真腔信号减退，假腔全程显影。检出内膜破口23个，数量、位置与DSA一致；8个呈血流喷射征。5条左肾动脉、3条右肾动脉和1条腹腔动脉干开口于假腔。结论 基于AD双腔血流动力学差异的TT测试和双期扫描，是大范围AD 3.0 T两段式双期3D CEMRA的技术要点，该方法可满足大范围AD的诊断要求。]]> Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.005 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.006 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.007 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.008 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.009 0.05)。结论 MRI测量T2弛豫时间值能量化评估颈椎间盘退变及其年龄、解剖节段相关变化，具有一定的临床价值，应作为评估颈椎间盘退变的补充序列。]]> Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.010 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.011 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.012 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.013 患者 女，50岁，6个月前无明显诱因出现右侧肢体活动不利，右下肢为主，表现为行走不便，右下肢拖行。发病初始外院CT示：右额叶囊性占位，考虑低级别胶质瘤。入我院MR扫描：左侧额顶叶及侧脑室旁见一类圆形囊实性肿块影，大小为4.7 cm×3.5 cm×4.8 cm，边界清楚，呈长T1、长T2信号为主(图1～3)，DWI呈混杂信号，实性部分呈高信号(图4)，围轻度水肿，增强扫描实性部分呈不规则明显不均匀强化，囊壁均匀强化(图5，6) 。影像诊断：左侧额顶叶及左侧侧脑室体旁占位性病变，考虑胶质细胞瘤可能性大。]]> Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.014 Fri,20 Nov 2015 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.3969/j.issn.1674-8034.2015.11.015 Fri,20 Nov 2015 00:00:00 GMT