简介:患者女性,30岁,因发作性意识丧失伴肢体强直2年余,于2005年3月22日入院。患者2年前夜间熟睡时自床上摔下,随即意识丧失,双目凝视,牙关紧闭,口吐白沫,四肢强直,持续约50min后自行缓解。此后间隔2~3个月发作1次,每次持续约40~60min。3个月来患者自感左侧面部麻木不适,伴左眼视物模糊。入院查体:双侧瞳孔不等大,右侧直径约2.5mm,对光反射灵敏,左侧直径约3.5mm,对光反射迟钝;右眼视力0.8,左眼0.3;左侧周边视野大部分缺损;左侧颜面部浅感觉减退。CT示左鞍旁有一均匀低密度区,形状不规则,考虑表皮样囊肿。MRI示左颞叶有一占位性病变,呈长T1、长T2信号,大小约4cm×6cm×3cm,考虑左颞叶表皮样囊肿。
简介:1病例资料男性,74岁。因反复头昏、头沉感20余天入院。既往高血压病史40年,平时口服尼莫地平、卡托普利片。入院头颅MRI:多发性腔隙性脑梗死。头颈CTA:颅脑及颈部动脉粥样硬化性改变;左颈总动脉-颈内动脉管腔狭窄;右椎动脉闭塞可能;右大脑中动脉M1远端局部管腔膨隆(动脉瘤?)。
简介:Oxidativestressiscloselyassociatedwithsecondarycelldeathinmanydisordersofthecentralnervoussystemincludingstroke,Parkinson’sdisease,Alzheimer’sdisease.Amongmanyaberrantoxidativestress-associatedproteins,DJ-1hasbeenassociatedwiththeoxidativestresscelldeathcascadeprimarilyinParkinson’sdisease.Althoughprincipallyexpressedinthecytoplasmandnucleus,DJ-1canbesecretedintotheserumunderpathologicalcondition.Recently,aclosepathologicalassociationbetweenDJ-1andoxidativestressinstrokehasbeenimplicated.Tothisend,weandothershavedemonstratedtheimportantroleofmitochondriainneuroprotectionforstrokebydemonstratingthatthetranslocationofDJ-1inthemitochondriacouldpotentiallymitigatemitochondrialinjury.Here,wediscussourrecentfindingstestingthehypothesisthatDJ-1notonlyfunctionsasaformofintracellularprotectionfromoxidativestress,butthatitalsoutilizesparacrineand/orautocrinecuesinordertoaccomplishextracellularsignalingbetweenneighboringneuronalcells,resultinginneuroprotection.ThisarticlehighlightsrecentevidencesupportingthestatusofDJ-1askeyanti-oxidativestresstherapeutictargetforstroke.
简介:我们经治一诊断为橄榄体-桥脑-小脑萎缩病例,兼有视网膜变性,眼球运动障碍,小脑及锥体外系症状.