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目的探讨磁敏感加权成像(susceptibility weighted imaging,SWI)在出血性弥散性轴索损(diffuse axonal injury,DAI)法医学鉴定中的应用价值。方法对20例DAI的法医学鉴定资料进行回顾性分析,对其T1WI、T2WI、扩散加权成像(diffusion weighted imaging,DWI)(液体衰减反转恢复(fluid attenuated inversion recovery,FLAIR)(磁敏感加权成像(susceptibility weighte