简介：摘要目的研究死亡脑CT表现.方法男４８例,女８例,５６例死尸来我院行头颅CT常规检查,机型为Philips－Mx４０００dual和SoftCT－C３０００.层厚７mm、１０mm,层距７mm、１０mm,扫描范围眶耳线上１２层.结果一般伤后２４~７２h行头颅CT检查.５６例中,其中４０例为蛛网膜下腔出血,８例脑挫裂伤,５例硬膜外血肿,２例硬膜下血肿,３例骨折,颅内积气１０例,血肿伴骨折的为３５例.致死原因并非均为颅脑外伤,有可能是腹腔脏器损伤致死.笔者是想把所见死尸CT表现特征供大家参考.以此是否可启发死亡时间的判断,有待共同研究.结论伤亡２４h以上的脑CT表现为脑灰白质界限消失,脑沟、脑回消失,脑室均缩小,脑实质密度均一,似”冰脑”.伤亡２４h内的脑CT表现有的脑沟、脑回略显、灰白质界限模糊.关键词脑死亡CT表现研究ThebraindiedtheCTperformancediscussionLiuxiaogeng,Malin,Heyunxia,YuankuangSheng,HuoXianying,AbstractGoalCTresearchoftheperformanceofbraindeath．MethodComingtoourhospital５６casesofthedeadweredoingroutinecranialCTexamiＧnationFinallyIn５６examples,４０examplesforthearachnoideaunderthecavityhemorrhage,８examplebrainsfrustratethelaceratedwound,outside５examplehardmembranesthehaematoma,under２examplehardmembranesthehaematoma,３examplebonefractures,intheskullthepneumatosis１０examples,thehaematomapartnerbonefractureis３５examples．ConclusionCasualties２４habovebrainCTperformanceisBraincinereummatterboundaryvanishing,thebrainditch,convolutionvanishing,theventriclesofthebrainreduces,thebrainessencedensityishomogeneous．Inthecasualties２４hbrainCTperformancehasthebraKienydwitocrhds,theconvolutionreveal,thecinereummatterboundaryslightlyarefuzzy．researchBraindeath;CTperformance;中图分类号R７４１文献标识码B文章编号１００８－６３１５(２０１５)１２－０５０４－０１