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ti jian xu yao cha lu nao he ci gong zhen ma ?
Pages: 22
Year: Issue:  3
Journal: Health Life

Abstract: 颅脑核磁共振(MRI)检查较CT更为敏感,具有多方向切层、多参数成像的特点,能更精确地显示病变位置、范围大小及组织学特性,是发现脑内部结构病变的首选方法,无放射线损害,但价格也较为昂贵,检查也较费时,而且大多医院需要预约.简言之,与CT检查相比,MRI无放射性损害,能够更有效、更早地发现颅内病变,是诊断颅内疾病的可靠方法.它可不用血管造影剂,即显示血管的结构,对发现颅内血管性疾病帮助较大.
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