髓外硬膜下病变病例随访

单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,大家好,1,病例随访,影像科进修生,张盛秋,日期：,2014-12-08,2,1.,（,MR0201349,）,F,，,55Y,，腰部疼痛,1,月。,3,4,TRA/COR/SAG,T1WI+C,5,请您诊断,6,7,2.,（,MR0209471A,）,F,，,40Y,腰背部疼痛伴左下肢无力、排尿苦难,3,天,8,9,TRA/COR/SAG,T1WI+C,10,请您诊断,11,12,3.,（,MR0050905,）,F,，,22Y,，腰腿痛,1,周,13,TRA/SAG/COR,T1WI+C,平扫,TRA,14,15,16,4.,（,MR0104124C,）,F,，,67Y,，双下肢无力、麻木,4,月余,17,TRA/COR/SAG+C,18,19,20,5.,（,MR0179839,）,M,，,79Y,，腰部疼痛伴双下肢麻木,1,年余,21,TRA/COR/SAG,T1WI+C,22,23,24,6.,（,MR0222891,）,M,，,57Y,，腰痛,30,余年,25,TRA,T2WI,平扫,TRA,T1WI+C,26,COR/SAG,T1WI+C,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,髓外硬膜下病变的定位征象,病变节段蛛网膜下腔变窄或消失。,病变上下方蛛网膜下腔增宽。,脊髓受压变细或移位。,46,室管膜瘤,部位：脊髓圆锥部、马尾及终丝、颈髓,形态：长圆形，球形，分叶状,信号：,T2WI,等低信号，,T2WI,高信号。,增强：实性部分明显强化,种植转移和脊髓空洞形成是其较特征改变,出血较星形细胞瘤多见。,47,椎管病变分类,1.,髓内病变,:,2.,髓外硬膜下病变,:,3.,硬膜外病变,:,48,MR0112485,，,F,，,46Y,，颈部疼痛、肢体无力,1,月余,49,50,脊膜瘤 宽基底,+,硬膜尾征（,MR0114592,）,51,哑铃征,52,猜猜我是谁？,53,54,小结,55,