同部位肺炎性假瘤与肺癌CT鉴别诊断.pdfVIP

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同部位肺炎性假瘤与肺癌CT鉴别诊断

【关键词】肺炎性假瘤

［摘要］目的：对照分析同部位肺炎性假瘤和肺癌CT影像

特征，探讨其鉴别诊断价值。方法：搜集相同部位的68例肺炎性假瘤

和68例肺癌CT资料，全部病例均行手术病理诊断证实。结果：中央

型和周围型肺炎性假瘤与肺癌分别为10对和58对病例。中央型肺癌

均有“癌头尾”征，中央型肺炎性假瘤段以上支气管通畅，无阻塞性

肺炎征象。周围型肺癌呈“膨胀形态”征，周围型肺炎性假瘤呈“收

缩形态”征，统计学上差异有非常显著性意义(P=0.000)。结论：根据

肺炎性假瘤和肺癌各自有的CT形态和征象，可以提高鉴别诊断的准确

性。

［关键词］肺炎性假瘤；肺肿瘤；体层摄影术；X线计算机；

鉴别诊断

TheDifferentialDiagnosisbyCT:TheSameSiteof

PulmonaryInflammatoryPseudotumorandLungCancer

Abstract：ObjectiveTocomparativelyanalyzetheCT

characteristicofpulmonarypseudotumorsandlungcancersinthe

samesites,andtoinvestigatethevalueontheirdifferential

diagnosis.MethodsTheCTdataof68patientsofpulmonary

inflammatorypseudotumorsand68patientsoflungcancerswere

collectedretrospectively;allpatientswereconfirmedby

pathology.ResultsAllthepulmonarypseudotumorsandlung

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cancerswereclassifiedinto10couplescentraland58couples

peripheralonesaccordingtotheirsites.Thecentral

bronchogeniccancersusuallyappeared“theheadandtailof

cancer”sign,otherwise,thecentralinflammatorypseudotumors

didnotinvolvethebronchi,andtheobstructivepneumoniawas

usuallynotfound.Theperipherallungcancersusuallyappeared

“expandingcontour”sign,butthepulmonaryinflammatory

pseudotumorsappeared“contractingcontour”sign.Conclusion

TheCTcharacteristicofpulmonarypseudotumorandlungcancer

canhelpuseffectivelyinthedifferentialdiagnosisofthem.

Keywords：Pulmonaryinflammatorypseudotum