作者单位:437000湖北,咸宁市中心医院/华中科技大学同济咸宁医院影像科(章凯敏、杜希剑);430030武汉,华中科技大学同济医学院附属同济医院放射科(管汉雄、姜琼、周义成);430030武汉,华中科技大学同济医学院附属协和医院PET中心(贾清)作者简介:章凯敏(1978-),女,湖北咸宁人,主治医师,主要从事CT与MRI诊断工作。·中枢神经影像学·远隔性小脑出血CT表现章凯敏,杜希剑,管汉雄,贾清,姜琼,周义成【摘要】目的:探讨幕上开颅术后远隔性小脑出血(RCH)的临床及影像表现。方法:3例脑膜瘤患者行开颅手术后出现意识障碍,行紧急CT平扫发现并发RCH,回顾性分析RCH的临床及影像学表现。结果:2例术后手术部位可见大量硬膜下血肿及少量蛛网膜下腔�血,此2例可见两侧小脑上表面脑沟、脑叶�血,呈“斑马征”;1例手术后可见少量左侧小脑上表面叶及右侧天幕缘出血。结论:典型RCH表现为小脑单侧或双侧表面沟或小脑叶裂弧条线高密度影,呈“斑马征”,为其特征性CT表现,与术后颅内压突然增高或降低,引起脑组织移位,导致桥静脉断裂有关。【关键词】远隔性小脑出血;脑脊液;神经外科手术;体层摄影术,X线计算机【中图分类号】R651.1;R814.42【文献标识码】A【文章编号】10000313(2013)01003804犜犺犲犆犜犿犪狀犻犳犲狊狋犪狋犻狅狀狊犪狀犱犱犻犪犵狀狅狊犻狊狅犳狉犲犿狅狋犲犮犲狉犲犫犲犾犾犪狉犺犲犿狅狉狉犺犪犵犲ZHANGKaimin,DUXijian,GUANHanxiong,etal.DepartmentofMedicalImaging,XianningCentralHospital,Hubei437000,P.R.China【犃犫狊狋狉犪犮狋】犗犫犼犲犮狋犻狏犲:Toinvestigatetheclinicalandimagingmanifestationsofremotecerebellarhemorrhage(RCH)aftersupratentorialcraniotomies.犕犲狋犺狅犱狊:Threepatientsofmeningiomahadunconsciousnessoccurredaftersupratentorialcraniotomy,RCHwasfoundonCTwithoutcontrastenhancementduringemergency.TheclinicalandimagingmanifestationsofRCHwereretrospectivelyanalyzed.犚犲狊狌犾狋狊:Massivesubduralhematomaandasmallamountofsubarachnoidhemorrhagelocatedattheoperationregionwerefoundintwopatients,withbilateralsuperficialcerebellarsulciandlobarhemorrhage,showingas“ZebraSign”.Thethirdpatientpresentedwithsmallamountofhemorrhageintheleftsuperiorsulciandrightinfratentorialregion.犆狅狀犮犾狌狊犻狅狀:ThetypicalCTmanifestationsofRCHappearsashighdensityinunilateralorbilateralsuperficialsulciorcerebellarfissures,whichisreferredas“ZebraSign”.ItisbelievedthatRCHisrelatedtosuddenincreaseordecreaseofintracranialpressure,displacementofbraintissue,whichleadstolacerati...