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目的:探讨64层CT数字减影血管成像(Volume computed tomography digital subtraction angiography,VCTDSA)及三维时间飞跃法MR血管成像(Three dimensional time—of-flight magnetic resonance angiography,3D TOF MRA)对颅内动脉瘤的诊断价值及比较。方法:分析34例经数字减影血管造影(Digital subtraction angiography,DSA)和(或)手术确诊为动脉