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1、404放射學(xué)實(shí)踐2014年4月第29卷第R翌!壘111!!!!:胸部影像學(xué)胸腺上皮腫瘤WHO病理分型與CT特征的相關(guān)性胡玉川,孟菲,張貝,李剛鋒,于瀛,崔光彬【摘要】目的:探討胸腺上皮性腫瘤(TETs)的WHO病理分型與CT表現(xiàn)的相關(guān)性,以提高其CT診斷及臨床診療水平。方法:回顧性分析經(jīng)穿刺活檢或手術(shù)病理證實(shí)的66例TETs患者的CT影像學(xué)表現(xiàn)。所有患者均行胸部CT平掃及增強(qiáng)掃描,均經(jīng)組織病理學(xué)及細(xì)胞免疫組化檢查并進(jìn)行WHO組織病理分型,分析TETs各種組織學(xué)類型的CT特征。結(jié)果:66例TETs中男39例,女27例,年齡6~77歲。病理分型:
2、A型5例(7.6),AB型15例(22.7),B1型13例(19.7),B2型1O例(15.2),B3型1O例(15.2)及胸腺癌13例(19.7)。A、AB、B1型胸腺瘤均呈圓形或類圓形,而80.0%的B3型胸腺瘤及92.3的胸腺癌呈不規(guī)則形;大部分(92.4)胸腺腫瘤呈中度強(qiáng)化。8O.0%B3型胸腺瘤及100胸腺癌有包膜破壞并侵犯鄰近結(jié)構(gòu);40.0的B3型胸腺瘤及61.5的胸腺癌出現(xiàn)心包和(或)胸膜腔積液;隨著腫瘤病理分級的增加,周圍結(jié)構(gòu)受侵的發(fā)生率亦隨之升高,分別為l5.4(B1)、40.0(B2)、80.0(B3)及100(胸腺癌)。
3、TETs組織學(xué)分類與侵襲危險度CT分級之間存在顯著相關(guān)性(rs一0.736,P<0.01)。結(jié)論:不同WHO病理分型的TETs的cT表現(xiàn)具有一定特征性,TETs的cT特征反映了其侵襲危險性及組織病理學(xué)分型?!娟P(guān)鍵詞】胸腺腫瘤;胸腺上皮性腫瘤;病理學(xué);體層攝影術(shù),x線計(jì)算機(jī);診斷【中圖分類號】R814.42;R736.3【文獻(xiàn)標(biāo)識碼】A【文章編號】1000—0313(2014)04—0404—04RelationshipbetweenWHOpathologysubtypesandCTfeaturesofthymicepithelialtumor
4、sHUYu-chuan。MENGFei.ZHANGBei,eta1.DepartmentofRadiology,TangduHospitaloftheFourthMilitaryMedicalUniversity,Xian710038,P.R.China[Abstract]Objective:TostudytherelationshipbetweenWHOpathologysubtypesandCTfeaturesofthymicepithe—lialtumors(TETs)forimprovingthediagnosticaccuracyo
5、fCT.Methods:TheplainandenhancedCTfindingsof66patientswithTETsconfirmedbypathology(needlebiopsy/surgeryandpathology)withWHOclassificationandhisto—immu—nohistochemistrywereretrospectivelyanalyzed.TheCTfindingswerecorrelatedwithpathologysubtypes.Results:0fthe66patientswithTETs
6、,therewere39menand27women;theagerangedfrom6~77y.TheWHOpathologysubtypeswere:TypeA(n=5,7.6);TypeAB(n一15,22.7);TypeB1(n一13,19.7);TypeB2(n一10,15.2);TypeB3(n一10,15.2);andthymiecarcinoma(n一13,19.7).TheshapeofTypeA,TypeABandTypeB1tumorsweremostlyroundoroval,whereas80.0ofTypeB3tum
7、orsand92.3ofthymiccarcinomaswereirregularinshape.Therewasamoderateenhancementaftercontrastinjectioninmostofthethymomas(92.4).Capsuledestructionorinvasiontotheadjacenttis—sueoccurredin8O.0ofTypeB3thymomasand100ofthymiccarcinomas,respectively.Pleuraland/orpericardialeffusiono
8、ccurredin40.0ofTypeB3thymomasand61.5ofthymiccarcinomas,respectively.Astheupgrading