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=10.12015/issn.1674-8034.2020.01.001 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.002 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.003 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.004 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.005 中位数组患者总生存期(17.4个月)较＜中位数组患者总生存期(9.4个月)明显增加(P＜0.001；Log-rank test)。使用Cox回归模型进行多变量生存分析显示，TMT (HR 0.850；95%CI 0.734～0.984；P=0.03)、诊断年龄(HR 1.037；95%CI 1.018～1.056；P＜0.001)、同步放化疗(HR 0.567；95%CI 0.371～0.868；P=0.009)与生存期显著相关。结论 颞肌厚度是原发性GBM患者预后的独立性危险因素，有助于患者生存期的评估。]]> Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.006 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.007 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.008 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.009 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.010 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.011 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.012 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.013 患者女，29岁，间断性头晕8个月余，休息后可缓解，伴双眼视物模糊，无发热、恶心、呕吐，头痛等，近三天头晕症状加重，休息后不能缓解，遂来本院就诊，神经系统专科查体：神志清，GCS评分15分，查体合作，自动体位，言语清晰，记忆力、理解力、定向力检查未见异常。自诉嗅觉无异常。双眼视力视野正常，双眼裂等大，眼睑无下垂，双眼球向各方向活动正常，双侧瞳孔等大等圆，直径约3 mm，对光反射存在。四肢肌张力正常，右侧肢体肌力5级，左侧肢体肌力5级，四肢未见肌肉萎缩及震颤。双下肢巴氏征阴性。实验室检查未见明显异常。MRI平扫：右侧侧脑室三角区可见一大小约51.5 mm×44.8 mm×72.9 mm囊实性占位，边界较清，T1WI示实性部分呈不均匀略低信号，内可见多发小囊样低信号区，囊性部分呈低信号，并可见多发线、环样等信号分隔(图1A)，致右侧脑室后角明显扩大，邻近右枕顶叶受压，中线结构左偏，胼胝体部分中断，病变周围可见轻度水肿影；T2WI示病灶实性成分呈不均匀稍高信号，内可见多发小囊样高信号区，囊性部分呈高信号，并可见多发线、环样等信号分隔(图1B～D)；扩散加权成像(diffusion weighted imaging，DWI)示肿瘤实性部分呈略高信号，囊性部分呈低信号(图1E)，增强扫描病灶实性部分明显强化，内多发小囊变区无强化，囊性部分囊壁及分隔轻度强化，右侧脑室脉络丛与病灶关系密切并推挤前移、明显强化(图1F、G)。磁共振波谱(magnetic resonance spectroscopy，MRS)示病灶实性部分N-乙酰天门冬氨酸 (N-acetylaspartic acid，NAA)峰缺失，胆碱(choline，Cho)峰升高，并可见肌酸峰(creatine，Cr)(图1H)。术前MRI诊断：右侧侧脑室三角区囊实性占位，考虑脉络丛乳头状瘤或室管膜瘤。]]> Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.014 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.015 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.016 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.017 Mon,20 Jan 2020 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2020.01.018 Mon,20 Jan 2020 00:00:00 GMT