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1、武警医学(MedicalJournaloftheChinesePeople∀sArmedPoliceForces)Vol.19No.092008-09出版80518F-FDGPET-CT结合HRCT诊断细支气管肺泡癌的价值李毅红杨明丛粮顾倩孙海辉高静宦欢(武警上海总队医院PET-CT诊疗中心,上海201103)18摘要目的探讨F-FDGPET-CT结合HRCT诊断细支气管肺泡癌的价值。方法回顾分析经病理证实的24例细支气管肺泡癌患者的PET-CT及其HRCT图像资料,分别记录其形态学表现及放射性分布,同时测量其最大SUV值(SU
2、Vmax)。结果根据形态学表现分为3型:(1)孤立结节型(12例):表现为密度略不均匀或并有磨玻璃样密度的单发结节,主要征象为分叶、短毛刺、支气管充气征、胸膜凹陷征、空泡征、晕征、血管集束征,SUVmax均值为3.78!1.54;(2)多发结节型(5例):表现为两肺散在多发的结节,以中下肺叶为主,结节大小不一,小结节无放射性聚积,对于直径>5mm的结节,SUVmax均值为3.46!1.32。(3)肺炎型(7例):为一个或多个肺叶的实变,其内见充气支气管征或蜂窝征,放射性分布不均匀,部分病灶18FDG摄取为阴性。结论F-FDGPET-CT结合HRCT在细支气管
3、肺泡癌的诊断中具有重要的应用价值,诊断时要密切结合PET与HRCT图像,以最大限度地减少误诊。关键词腺癌细支气管肺泡癌体层摄影术发射型计算机脱氧葡萄糖中国图书分类号R445.3ValueofPET-CTcombinedwithHRCTindiagnosisofbronchioloalveolarcarcinomaLIYihong,YangMing,CongLiang,GuQian,SunHaihui,GaoJing,andHuanHuan.PET-CTCenter,DepartmentofRadiology,ShanghaiMunici
4、palCropsHospital,ChinesePeople∀sArmedPoliceForces,Shanghai201103,China1818AbstractObjectiveToevaluateF-fluorodeoxyglucose(F-FDG)PET-CTcombinedwithhighresolutionCT(HRCT)indiagnosingbronchioloalveolarcarcinoma(BAC).MethodsThePET-CTandHRCTfindingsin24patientswithpathologicallyproved
5、BACwereretrospectivelyanalyzed.Theirmorphologicalandradioactivefindingswereobserved,andthemaximumstandarduptakevalues(SUVmax)weremeasured.ResultsAccordingtothemorphology,BACwasclassifiedinto3types:#Solitarynodule(n=12);Whichischaracterizedbyinhomogeneousdensityormergedground-glass
6、opacity.Themainfeaturesinthistypewerelobulation,shortspeculation,aeratedbronchi,pleuralindentation,vacuoles,areolasign,andvascularaggregatedsign.ThemeanvalueofSUVmaxwas3.78!1.54.∃Multi-nodules(n=5):thenodulesofdifferentsizewerescatteredinperipherallungs,mainlyinmiddleandlowerlungs,t
7、hesmallnodule∀sradioactivitywasnotobserved.Asforthenodulesover5mmindinmeter,themeanvalueofSUVmaxwas3.46!1.32.%Pneumonia(n=7):consolidationwasobservedinoneormultiplelobeswith&aeratedbronchi∋signor&honeycomb∋sign.Radioactivedistributionwasinhomogeneous,andFDGuptakeinpartoflesions18wasne
8、gativ
