眼眶腺样囊性癌的影像学研究.pdf

CHN，2007，V01．16，No．6 391 眼科2007年第16卷第6期0phthalmol ·论著· 眼眶腺样囊性癌的影像学研究 王毅李月月肖利华 证实的泪腺腺样囊性癌38例和副鼻窦来源的腺样囊性癌4例。方法分析眼眶腺样囊性癌超声、cT和MRI等各种影像学检查 则高低混杂波峰两种类型。B超可显示肿瘤的轮廓，对于瘤内钙化及液化坏死等病变显示优良。cT扫描显示AcC有梭形、扁平 形、团块状和不规则形等四种形状，对于肿瘤的边界、空间位置，骨破坏和骨吸收等继发改变显示清晰。Acc在T。加权像为中信 号，T：加权像有均一的等信号，等、低信号混杂和等、高信号混杂三种，多数不均匀强化。强化MRI有利于显示肿瘤的蔓延途径， 和分析各种影像学检查结果可提高诊断水平。(眼科，2007，J6：39I一394) 【关键词】眼眶腺样囊性癌／诊断；影像学 oforbitaladenoidcarcinomas时ⅣG rmedP0如e Imaging cystic j00∞9，l强in。 Gener击日ospit以，Be驴i，w 0 cor瑙pondi昭础琥。一XMLi一^uⅡ，曲z缸f?石i∞眦z刎@in以com Tbdescribethe featuresof resonance 【Abstract】Objective magnetic imaging ima舀ng ultrasound，computertomography(crI)and of orbitaladenoid case casesadenoid (MRI)for cysticcarcinoma(ACC)．DesignRetmspectiveseries．PanidpantsThirty—eight cystic carcinomaf南mlarcrimaland4casesfrom nasalcavitiescon6珊ed method．MethodsThefea— arising dands accessory byhistologic A—modee— turesof andMRI ofACC were Outc岫eMe嬲ures ofstandardized ultrasound，CT Images images patientsanalyzed．Main andMRI．ResultsACChadtwo onstandardizedA—mode spikes chography，B—ultrasound，CT types echo聊hyimages：anteriorhigh with low orlow could caVitiesinthelesions．In calcification，liquid posteriorspikes