27例肺隔离症的影像学诊断分析

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1、27例肺隔离症的影像学诊断分析［摘要］目的探讨多排螺旋CT和DSA等多种影像方法在肺隔离症(pulmonarysequestration,PS)诊断中的价值，以期提高对本病的认识和诊断正确率。方法回顾性分析经手术病理证实的27例PS影像学资料，包括胸片、CT和DSA。结果27例PS叶内型22例，叶外型5例，均发生于两下肺，左下肺19例，右下肺8例。胸片多表现为类圆形的密度较均匀的团块影。螺旋CT表现为肺内囊性、实性或囊实性肿块，伴右感染时可出现液平。增强后实性病灶和囊壁强化，囊性部分不强化。CT血管造影(CTA)通过多种后处理重建技术能准确找到异常来源于体循环的供血动脉及引流

2、静脉，对于诊断PS能提供关键的诊断信息。DSA为诊断PS的金标准，能够显示供血动脉的来源及静脉冋流方向。结论选择有效的影像诊断方法能够及时准确地诊断PS，尤其是螺旋CT及CTA后处理秉建技术能够准确显示异常血管，可以取代DSA成为PS术前诊断的首选。本文采集自网络，本站发布的论文均是优质论文，供学习和研究使用，文中立场与本网站无关，版权和著作权归原作者所有，如有不愿意被转载的情况，请通知我们删除己转载的信息，如果需要分享，请保留本段说明。［关键词］肺隔离症；影像诊断；CT;数字减影血管造影［中图分类号］R445；R655.3［文献标识码］B［文章编号］1673-9701(20

3、17)14-0106-03[Abstract]ObjectiveToexplorethevalueofmanyimagingmethodsincludingmulti-slicespiralCTandDSAinthediagnosisofpulmonarysequestration(PS)，soastoimprovetheunderstandinganddiagnosticaccuracyofthisdisease.MethodsTheimagingdataincludingchestradiograph,CTandDSAin27casesofPSwhowereconfirm

4、edbypathologywereretrospectivelyanalyzed.ResultsTherewere22casesofintralobartypeand5casesofextralobartypein27casesofPS,andalloccurredinthetwolowerlobesoflungs,with19casesofleftlowerlungand8casesofrightlowerlung.ChestX-rayoftenshowedroundmass-likeopacitieswithuniformeddensity.SpiralCTmanifes

5、tedpulmonarycystic,solidorcysticsolidmass,anditcouldshowliquidlevelwhenaccompaniedbyinfection.Afterenhancement,thesolidandcapsulewallwereenhanced,whilethepartofcysticwasnotenhanced.CTangiography(CTA)canaccuratelyidentifyabnormalarteriesfromthesystemiccirculationthroughavarietyofpost-treatme

6、ntreconstructiontechniques,providingcriticaldiagnosticinformationforthediagnosisofPS.DSAwasthegoldstandardindiagnosisofPS,canshowthesourceofbloodsupplyandvenousreturndirection.ConclusionTheeffectiveimagediagnosismethodisselectedtotimelyandaccuratelydiagnosePS,especiallyspiralCTandCTApost-pr

7、ocessingreconstructiontechnologycanaccuratelyshowabnormalbloodvessels,canreplacetheDSAwhichisthefirstchoicetopreoperativediagnosePS.[Keywords]Pulmonarysequestration；Imagingdiagnosis；Computedtomography；Digitalsubtractionangiography肺隔？x症(pulmonarysequestra