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1、肺癌腦轉(zhuǎn)移瘤不典型表現(xiàn)的CT診斷CJCM中華實(shí)用中四醫(yī)雜志2004年VOL.4(17)NO.17?2643?肺癌腦轉(zhuǎn)移瘤不典型表現(xiàn)的CT診斷CTdiagnosisofatypicalencephaliccancerometastasisoflungcancer張?jiān)谂妫鯘M(mǎn)毅，張煜(1.三峽大學(xué)仁和醫(yī)院影像科；2?三峽大學(xué)醫(yī)學(xué)院影像系2000級(jí)湖北宜昌,443001)ZHANGZai—pei,WANGMan—yi,ZHANGyu2(1.DepartmentofRadiology,RenHeHospitalofThreeGor
2、gesUniversityMedicalCollege,HubeiYichang443001,P.R.China;2.DepartmentofMedicalImage,ThreeGorgesUniversityMedicalCollege,HubeiYichang443001,P.R.china)【Abstract]ObjectiveTosummariT?theCTmanifestationsofatypicalencephaliccallcero一metastasisoflungc跌IIr.andtoimprovethe
3、im.agingdiagnosticleve1.MaterialsandMethodsTwenty一sixcasesofatypicalencephaliccancemmetastasisoflungcancerhadbeenexaminedwithCrduring1996一2003andwereretrospectivelyanalyzed.ResultsThelesionsweresupratentorialin21casesandinfratentorialin5cases-Allofthemweresolitary
4、and3?5cmindiameter.In8casesthelesionswerenodular,round,hyper一dense,accompaniedwithslightmasseffectandperitumoralede-ma.shownmoderateordramaticenhancement;Bothnwreath一likeHlesionsandmixturelesionshad7ca8esinsupport.Theyweremainlysupratentori-ahellipticorirregular,h
5、eterogenousorhypo一dense,accompaniedwithmoderateorseriousnlas$effectandperitumoraledema;Theremai山ng4caseswerer?iedandsupratentoFialwithoutexception?Beingelliptic,hypeF—dense,slightlyenhanced.accompaniedwithmoderateperitumoraledemaandmasseffectweretheircharacteristi
6、cs.ConclusionRecognizingtheCTfeaturesofatypicalencephaliccancero一metastasisoflungcancerishighlyimpor?ranttoimprovingtheim?ngdiagnosticaccuracy.【Keywords】lungcancer;brain;metastaticcarcinoma;tomography;X一raycomputed【摘要】目的:總結(jié)肺癌不典型腦轉(zhuǎn)移的多種CF表現(xiàn)，提高其診斷水平?資料與方法:搜集1996?2003
7、年肺癌不典型腦轉(zhuǎn)移26例,分析其CF特點(diǎn)，歸納肺癌不典型腦轉(zhuǎn)移的幾種多見(jiàn)類(lèi)型?結(jié)果:幕上腦轉(zhuǎn)移瘤21例，幕下5例,全部為單個(gè)轉(zhuǎn)移灶，大小3?5cm.結(jié)節(jié)型腦轉(zhuǎn)移瘤8例,主要呈圓形高密度影，灶周水腫以及占位效應(yīng)較輕，有屮一重度強(qiáng)化;花環(huán)型和混合型腦轉(zhuǎn)移瘤各7例，大多數(shù)位于幕上，多為橢圓形或不規(guī)則形，混雜密度或低密度，有中一重度灶周水腫及占位效應(yīng);卒中型腦轉(zhuǎn)移瘤4例,全部位于幕上，表現(xiàn)為橢圓形高密度影，輕度強(qiáng)化,中度水腫及占位效應(yīng)?結(jié)論掌握肺癌不典型腦轉(zhuǎn)移瘤CT基本特征對(duì)提高該病的診斷準(zhǔn)確性有重要價(jià)值.【關(guān)鍵詞】肺癌;腦;轉(zhuǎn)移
8、瘤;體層攝影術(shù);X線計(jì)算機(jī)中圖分類(lèi)號(hào)R734.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1607—2286(2004)17—2643—02肺癌腦轉(zhuǎn)移瘤比較常見(jiàn)，典型的腦轉(zhuǎn)移瘤因CF特點(diǎn)明顯,2」腦轉(zhuǎn)移瘤基本類(lèi)型:全部腦轉(zhuǎn)移瘤均為單個(gè)病灶?根據(jù)般都能夠準(zhǔn)確診斷?但是，不典型腦轉(zhuǎn)移瘤經(jīng)常誤診為其他病灶的部位，形態(tài)，密度,大
