肝臟疾病超聲診斷

肝臟疾病超聲診斷

DiagnosisofLiverDisease

withUltrasoundSonography肝臟疾病超聲診斷

肝臟彌漫性疾病

DiffuseLiverDisease

肝臟占位性疾病Focal

Abnormalies正常肝臟聲像圖

大小、形態(tài)、包膜、邊界

sizeshape

capsuleboundary

肝實質(zhì)回聲liverparenchymaechopattern

:

isoechoichomogeneous

肝內(nèi)管道系統(tǒng)hepaticarteryportalveinhepaticveinsintrahepatic

biliary

肝質(zhì)地

leftlobe

sagittalsectionrightlobesagittalobliqueviewrightlobe

sagittalobliqueviewPortvein(colorDopplermode)Portvein(colorDoppler+spectrum)HepaticarteryHepaticartery

(colorDoppler+spectrum)HepaticveinHepaticveinHepaticvein

(colorDoppler+spectrum)Cysticlesionsimplehepaticcysts(congenitalhepaticcysts)Traumaticcystsparasiticcystsinflammatorycystspolycysticdiseasepseudo-cystsSimpleHepaticCystsUltrasoundfindingsThecystwallsarethinwithwell-definedbordersanechoicinthecystdistalposteriorenhancementSometimescystscontainfinelinearinternalseptal.

HepaticAbscessUltrasoundfindingsRoundorovoidshapewiththickwallHypoechoic,complex,maybehaveafluidlevel(withsomedebrisalongtheposteriormargin)

hyperechoicwithdirtyshasowing(ifgasispresent)posteriorenhancement

CavernousHemangioma

ultrasoundfindings

round,oval,orlobulatedshapewithwell-definedbordershyperechoic,anechoic,mixedpatternposteriorenhancementHepatocellularCarcinoma

ultrasoudfindingsround,irregularshapehypoechoic,hyperechoic,isoechoic

ahalosurroundthelesioncolorDopplersignalwaspresentedinthetumororsurroundthetumor

MetastaticDiseaseultrasounfindingsshaperoundorovalnumbertwoormorethanechoicpatternvariouscolorDopplernoflowinsideCirrhosis

Ultrasoundfindings

theliversize:smaller

nodularityoftheliveredgeparenchyma:coarsening,increasedattenuationportalhypertention

thediameterofhepaticveintinyandtwistsevere:invisiblehardness

regeneratingHCCsecondarycirrhosisportalveinspectrumpatternflatten

Portalhypertention

portosystemicvenouscollaterals

paraumbilicalvein;coronaryvein;

gastroesophagealvein;

splenorenal-gastrorenalveinsplenomegalyascitesascites

FattyLiver(fattyinfiltration)Ultrasoundfindingsincreasedechogenicitywithincreased

atenuation(farfield)hepaticvesselunclare

focalspa