SECTION1第一部分
A34-year-oldright-handedmanawokewithlethargy,headache,diplopia,bilateralfacialnumbness,mildrighthemiparesis,andrightarmnumbness.Afewweeksprior,hehadreceivedvaccinesforinfluenzaandhepatitis.Hishistorywassignificantforchronicsinusitis.Familyhistorywasnegativeforneurologicandautoimmunedisease.
34岁男性,右利手,表现昏睡、头痛、复视、双侧面部麻木、右侧轻偏瘫及右上肢麻木。几周前注射流感和肝炎疫苗。有慢性鼻窦炎的重要病史。无神经系统及自身免疫性疾病家族史。
Onexamination,thepatientwasafebrileandnormotensive.Heexhibitedleftabducensandpartialleftoculomotorpalsies.MRIofthebrainshowedanextensiveareaoffluid-attenuatedinversionrecovery(FLAIR)hyperintensityinvolvingthebrainstembilaterallyandafewsmallerlesionsintheleftparietallobe(figure1).Therewasnoenhancementorabnormaldiffusion.
查体:无发热,血压正常,左侧的外展神经麻痹及动眼神经不全麻痹。头MRIFLAIR像显示累及双侧脑干的广泛高信号及左侧顶叶多发小灶病变(图1),无强化或弥散异常。
图1头颅MRI(.1)
磁共振轴位FLAIR显示双侧脑桥广泛高信号(A);累及左侧延髓,并向双侧中脑延伸。其他的FLAIR高信号病灶位于左侧顶叶皮层下白质,右侧顶叶相对较轻(B)。
Lumbarpuncturerevealednormalleukocytes(3×/L),protein,andglucose.CSFoligoclonalbandswereabsent.Serumstudiesrevealednormalerythrocytesedimentationrate(ESR)(18mm/h)andC-reactiveprotein.Markersofsystemicinflammationwerenormal.
腰穿显示细胞数(3×10^6/L)、蛋白、葡萄糖均正常,脑脊液寡克隆带阴性。血清学化验提示红细胞沉降率(ESR)(18mm/h)及C反应蛋白正常,全身炎性标志物正常。
Diplopiaresolvedover10dayswithouttreatment.Othersymptomsimprovedwithin3weeks.Onfollow-up4monthslater,thepatient北京中科医院都是假的白蚀症