乳腺癌的影像学诊断20101029ppt课件.pptxVIP

EpidemiologyAtpresent,Chinaaccountsforfemalebreastcancerincidencerateofincidenceofthefirst.发病率高Onwomen‘sphysicalandminddamagethemost.身心损伤大Diagnosisandtreatmentmoredifficult.诊断及治疗较困难

Pathologicaltype1.Differentiationoflowbreastcancer:分化低的乳腺癌1)hardwarecarcinoma硬癌2)medullarycarcinoma髓样癌3)diffusecarcinoma(alsoknownasinflammatorycancer)弥漫性癌(亦称炎性癌)4)mucinouscarcinoma(alsoknownascolloidcarcinoma)粘液癌(亦称胶样癌)

Pathologicaltype2.Highlydifferentiatedbreastcancer:分化高的乳腺癌1)adenocarcinoma腺癌2)ductalcarcinoma(alsoknownastubecancer)导管癌(亦称管内癌)3)papillarycarcinoma(alsoknownaspapillaryadenocarcinoma)导管癌(亦称管内癌)4)eczema-likecancer(alsoknownasPagetsnippledisease)湿疹样癌(亦称Paget氏乳头病)

ClinicalmanifestationsBreastlumps乳房肿块Nippledischarge乳头溢液Changesinthebreastskinandcontour乳房皮肤及轮廓改变

InspectionmethodsUltrasoundMammography钼靶X线MRINearinfraredscanning近红外线扫描Positronemissiontomography(PET)EnhancedCT

UltrasoundSolidhypoecho低回声Withoutcapsule无包膜Borderclearance边界清Heterogeneous不均匀internalechoStrongechocanbeseenclusteredcalcifications钙化

MRIFeatures（breastcancer）T1WIlowsignalT2WIIncreasedsignal

MRIFeaturesIrregular不规则massLobulated分叶状edgesBlur模糊,rough毛糙Crab-likegrowth呈蟹足样生长Ill-defined,

MRIFeaturesLiquefactionnecrosis液化坏死seeninthelargerlesions

MRIFeaturesQuicksignificantly明显enhancedRapidclearance廓清Aroundthebeginningofthespreadofthediseasecenters向心性强化Liquefactionnecrosisandbleeding液化坏死及出血hasalwaysbeenpartofnoenhancement

Time-intensitycurves（TIC）PersistentPlatformTypeTypeClearancetype

type持续型平台型廓清型

Time-intensitycurves（TIC）Mostofthebenignlesionsshowedpersistent持续型toenhanceMostmalignantlesionsshowedclearance-type廓清型enhancedPlatform-type平台型canbebenignlesions,butalsoformalignantlesions.

DiagnosisofbreastcancerBI-RADSclassification分级

Level0:assessed评估isnotcomplete,tofurtherassesstheneedforotherim