中枢神经系统孤立性纤维瘤临床及影像学表现分析(2)
1.2 检查方法 (1)CT:采用6排(Somatom Emotion,Siemens,Germany),16排(Light Speed,GE Medical Systems,United States)或64排(SomatomSensation,Siemens,Germany)CT机轴位扫描,10例患者中6例平扫,4例平扫及增强。增强采用非离子型造影剂欧乃派克(300 mg/mL,GE Medical Systems,United States)。(2)MR:采用1.5T(Signa Excite HD Twinspeed,GE Medical Systems,United States)或3T(Signa Excite GEMSOC01,GE Medical Systems,United States)MR扫描仪,标准头线圈,18例患者均行平扫及增强扫描。平扫包括矢状位及轴位T1WI(TR/TE 400/15)、轴位T2WI(TR/TE 3000/119)及轴位FLAIR(TR/TE 8500/138)扫描。增强扫描采用马根维显(Berlex Laboratories Inc,Berlin,Germany),以0.1 mmol/kg经肘静脉团注后行轴位T1WI扫描 ......
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