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.1674-8034.2016.09.001 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.002 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.003 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.004 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.005 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.006 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.007 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.008 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.009 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.010 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.011 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.012 患者 25岁，腰痛伴左下肢放射痛2个月加重3 d入院。于入院前2个月无明显诱因出现腰痛，伴左下肢放射痛，影响行走，无低热、盗汗、夜重昼轻等不适，休息或平卧后症状稍减轻，与天气变化无关，后有出现右下肢放射痛。MRI：腰3～4椎体层面椎管内可见椭圆形等T1、稍长T2信号灶，大小约1.3 cm×2.7 cm，界限清，STIR呈稍高信号，增强扫描明显均匀强化，局部终丝受压推移，瘤体周围见异常粗大血管影(图1)。行椎管肿瘤摘除术，术中见：腰3～4椎体节段椎管内硬膜下脊髓前侧可见一卵圆形肿物，大小约3.0 cm× 2.0 cm，质软，界限清楚。术后病理瘤细胞呈巢状或小叶状排列，瘤细胞大小较一致，多角形，核居中，圆形，胞浆红染，颗粒状(图2)。免疫组化标记结果：NSE (+)，CgA (+)，Syn (+)，CKpan (+)，EMA(－)，CD34(－)，Ki-67 (2%+)。病理证实为腰椎管内副神经节瘤。]]> Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.013 患者 女，51岁。以“不规则阴道流血、排液1年余，加重2个月”入院。妇科检查：阴道见大量烂肉样组织及淡血性液体，子宫增大如孕5个月，活动度可，有压痛。盆腔MRI平扫描示：子宫增大，宫腔明显扩张，伴多发纤细分隔，呈多房囊状蜂窝样改变，受累肌层不同程度疏松，趋于囊性改变，越近宫腔越明显，宫腔内实性分隔呈T1WI、T2WI等信号，囊性成分T1WI低信号、T2WI高信号，弥散加权成像(diffusion weighted imaging，DWI)高b值(b=800)实性成分呈稍高信号，双侧附件区无异常，盆腔内未见肿大淋巴结(图1A～D)。静脉注入Gd-DTPA后：实性成分明显强化，强化程度同子宫肌层，呈蜂窝样，囊性成分无强化(图1E，F)。MR初步诊断子宫增大，宫内囊性为主占位，结合带显示不清，病变明显强化，多考虑子宫内膜肿瘤。术后病理：内膜，肿瘤细胞，Vimentin(+)，CD10(+)，ER (3+， 90%)，SMA(-)，Ki-67(+，5%)，结合HE切片及免疫组化结果，符合低级别子宫内膜间质肉瘤，肉瘤组织侵犯子宫肌层＞1/2层(图2)。]]> Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.014 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.015 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.016 Tue,20 Sep 2016 00:00:00 GMT http://med-sci.cn/cgzcx/articlexml.asp?doi=10.12015/issn.1674-8034.2016.09.017 Tue,20 Sep 2016 00:00:00 GMT