超声对乳腺恶性肿瘤的诊断ppt课件

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1、Whatisthetopkillerofwomen'shealth?BreastCancerTheearlieratumorisidentified,thebetterchanceforcure阿桑，台湾女歌手，因罹患乳癌于2009病逝，年仅34岁。UltrasonicDiagnosisofBreastMalignantTumors乳腺恶性肿瘤的超声诊断昆明医学院附属昆华医院超声科尹欣Breastcanceristhefirstleadingcauseofdeathforwomenallovertheworld.IntheUnitedStatesmorethan

2、8%womenwillsufferthisdiseaseduringtheirlifetime.Sonographically,thebreastisdividedintothreelayersbetweentheskinandthechestwall.在声像图中，从皮肤至胸壁可将乳腺组织可分为3层。Theselayersinclude:Subcutaneouslayer皮下组织层Mammarylayer腺体层Retromammarylayer乳腺后层AnatomyoftheBreast乳腺的解剖SubcutaneouslayerMammarylayerRetro

3、mammarylayerSubcutaneouslayerRetromammarylayercomposedofFatandConnectivetissuePregnantFemaleThebreastproliferateremarkablyinbothdensityandvolume妊娠期女性乳腺显著增生ElderFemaleThebreasttissuebecomesprogressivelyreplacedwithfat老年期乳腺逐渐脂肪化HowtoScanThebreastisdividedintofourquadrant :UpperOuterQuad

4、rant(UOQ),UpperInnerQuadrant(UIQ),LowerOuterQuadrant(LOQ),LowerInnerQuadrant(LIQ),Checkthesefourquadrantinaclockwisedirectionandthenscannipple(乳头)andoxter（腋下）SonographicCharacteristicsofBreastMalignantTumors乳腺恶性肿块的超声表现CancerCrab螃蟹癌症巨蟹座CancerIrregular,spiculated,orangulatedborder不规则,毛

5、刺状,或成角的边界Crab螃蟹Cancroid蟹足状的CancerBreastcancerwithIrregularborder边界不规则的乳腺癌BreastCancerMicrocalcifications微钙化点Small,hyperechoicspotswithoutacousticshadowing细小，高回声的光点，不伴后方声影BenignCalcificationEggshellCalcification蛋壳样钙化CompanyLogoCharacteristicsofMalignantCalcifications1.Concentratedinone

6、area,usuallyinthetumor.2.Microcalcifications,<1mm.3.Over5microcalcificationsin1cm²1.集中于一处，多位于肿块内。2.细小钙化，<1mm。3.每平方厘米微小钙化数≥5个【参考文献】林薇,廖玲.微小钙化在乳腺癌X线诊断中的意义.实用医技杂志2006.1CancerTallerthanwide纵/横比>1乳腺超声诊断Parallel–widerthantall–longaxisparalleltoskinNOTparallel–tallerthanwide–longaxisperpendi

7、culartoskinTallerthanwideThegrowthofmalignanttumorsareofteninfiltratesurroundingstructuresandresultingtheaspectratiois>1恶性肿瘤的生长常常浸润正常结构而导致前后径增大，故纵横比常＞1。CancerAbundantinbloodflowsignals血流信号丰富Benigntumorwithrichbloodflowsignals管中窥豹只一斑，叶落难断已秋天。是峰是岭横侧看，超脱物外也非仙！CharacteristicsofBenignTumor

8、sOval