颈静脉球瘤的CT及MRI表现

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1、中国肿瘤影像学2009年第2卷第4期ChineseJournalofOncoradiology2009,Vol.2No.4论著/Articles王征宇Zheng-yuWANG颈静脉球瘤的CT及MRI表现杨本涛Ben-taoYANG梁熙虹Xi-hongLIANGCTandMRIDiagnosisofGlomusJugulareTumors陈光利*Guang-liCHEN*姜　滨BinJIANG王振常Zhen-changWANG鲜军舫Jun-fangXIAN[摘要]目的探讨颈静脉球瘤的CT和awell-definedmarginwithoval

2、shapein2cases,王征宇杨本涛梁熙虹陈光利*姜滨MRI表现，提高诊断准确性。方法对11例dumbbellshapein1case,andirregularshapein王振常鲜军舫经手术和组织学证实的颈静脉球瘤的CT8cases.Onhigh-resolutioncomputedtomog-Zheng-yuWANG,Ben-taoYANG,Xi-hong和MRI资料进行回顾性分析。结果11例颈raphy(HRCT)ofthetemporalbone,thele-LIANG,Guang-liCHEN*,BinJIANG,Zhen-静

3、脉球瘤，左侧7例，右侧4例；病变以sionsappearedasaisodensitymasscomparedchangWANG,Jun-fangXIAN颈静脉孔为中心生长并向周围结构不同程withbraintissue,andcausedtheenlargementof首都医科大学附属北京同仁医院放射科度蔓延。病变边界均清楚，呈卵圆形2例，theforamenjugularewithadjacentmonth-eaten100730，北京哑铃形1例，不规则形8例。颞骨高分辨orirregularbonydestruction.Tumors

4、erodedCT（HRCT）表现：与脑组织比较，颈静脉DepartmentofRadiology,BeijingTongrenintothefloorofthehypotympanumin7cases孔区软组织肿块呈等密度，周围的骨质呈Hospital,CapitalMedicalUniversity,Beijingwithossiclesdestructionin2cases,andintothe虫蚀样或不规则破坏，其中7例鼓室下壁100730,Chinainternalandexternalauditorymeatusin2cases.

5、骨质破坏，肿块进入下鼓室并有2例听小Bonedestructionoccurredinthehorizontal骨破坏，2例侵犯内耳道和外耳道，4例颈通讯作者：陈光利动脉管骨质破坏，5例岩尖骨质破坏，6例segmentofthecarotidcanalin4cases,andinCorrespondingauthor:Guang-liCHEN斜坡骨质破坏。MRI表现：颈静脉孔区软组thepetrousapexin5cases,andintheclivusinE-mail:wang_zhengyu@yahoo.cn织肿块，边缘清楚。全部11例

6、中，与脑灰6cases.OnMRI,awell-definedsofttissuewas质比较，MRTWI呈低信号3例，等信号8例，seenintheforamenjugulare.Ofthe11cases,1TWI均为高信号，增强TWI呈明显不均匀强onMRTWI,tumorappearedhypointensesig-211化，9例(82%)在TWI和增强TWI上可显示nalcomparewithgraymatterin3casesand21“盐和胡椒”征。6例小脑受压，3例延髓、isointensesignalin8cases.OnM

7、RTWI,tu-2小脑同时受压。MRA表现：未见明显异常morsrevealedhyperintensesignalinallcases.改变。MRV表现：2例乙状窦及颈内静脉受OnMRcontrast-enhancedTWI,tumorsap-1压。结论联合使用CT和MRI两种检查方法pearedmarkedenhancement.TWIand2能够为颈静脉球瘤的诊断和治疗提供更多postcontrastTWIdemonstrated‘salt-and-pep-1信息。per’appearancein9cases(82%).Cerebel

8、lum[关键词]颈静脉球瘤；头颈部肿瘤；wascompressedin6cases,andbothcerebellum体层摄影术，X线计算机；磁共振成像andmedullaobl