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目的:探讨三维动脉自旋标记(three-dimensional arterial spin labeling,3D-ASL)与动态磁敏感对比增强(dynamic susceptibility contrast-enhanced,DSC)-灌注加权成像(perfusion-weighted imaging,PWI)在鉴别高级别脑胶质瘤(high-grade glioma,HGG)术后复发和放射性脑坏死鉴别诊断中的价值。方法:回顾并分析40例HGG术后辅助放射治疗并在磁共振成像(magnetic resona