普美顯診斷小肝癌臨床應(yīng)用1Gd-EOB-DTPAPrimovist?GadoxeticAcid

disoiumGd-EOB-DTPANNOOOOOOONGd3+

OOONa+ ONa+Chemical

structureDynamic

scanningExtracellular

Gd-DTPA50%totaldoseisabsorbedbyhepaticcell

and

Excretetobile

duct50%totaldoseisabsorbedbyhepaticcell

and

Excretetobile

ductDuo-functionalliver

specificMR

ContrastDuo-functionalliverspecificMR

Contrast1+1>2Gd-DTPAGd-EOB-DTPA2004Sweden2005

Europe2006

Japan2007

S.Korea2008

USA2011 China（2012-3

Shanghai）on

marketUptakeandexportmembrancetransportersinhuman

hepatocyteMechanismofHepatocytesuptakethe

Primovist90%HBP 10%APT2WIUptakingandexcretingissimilartothebilirubinmetabolism,whichisrelatedtransport

protein(glutathione

-S-transferase)OATP8uptakePrimovistwithsamerouteICG15，sowecouldassesstheliverfunctionusingthisspecificagent.HBP1、pre-contrast

GRE

T1WI

(inand

out

phase)

/

DWI

/MRCP2、pre-contrast

GRE

T1WI

withFSdynamiccontrastGRET1WIwith

FS（10mlprimovist+20mlH2Owith1.5-2ml/srate

injection）ClinicalProtocolof

ScanningExperiencefrommorethan

3000casesCareBolusTechniquefor

AP

--arterialphase（20s）Axial

Imaging--portalphase（60s）Axial

Imaging--equilibriumphaseordelayedphase(120s)Coronal/Axial

Imaging--transitionalphase(180s)Axial/CoronalImaging3、FSE

T2WI

with

FS+

Breath

Navigating4、Hepatobiliary

phase

GRE

T1WI

with

FS

(10-15min

)Totalbilirubin>1.2mg/dl(20-30min)---（serious

cirrhosis）5、Excretion

phase

of

Bileduct

CoronalGRE

T1WI

with

FS

（option）EOB-DTPAin

sHCCPre-contrastArterial

PhasePortal

PhaseT2WIDWIHBP1:勾勒病灶邊緣和測量病灶大小更精準(zhǔn)(HBP)。Micro-HCC(6mm)7T2WIGRE

T1APPVPHBP2、診斷微小肝癌（包括子灶和轉(zhuǎn)移瘤）<1.0cm更有優(yōu)勢mHCC男，47歲肝癌介入術(shù)后五年，常規(guī)磁共振檢查小復(fù)發(fā)灶顯示不清preAPPPDPAPPPHBPTiny

FNHIt’sagreathelpfulwhensHCCisconfusedwithsFNHonconventionalMR

contrast12PMulti-FNHFNHOnHBP

ImagingHCCFNH16sHCCPseudo-enhancement3、異常灌注和微小肝癌的鑒別和確診Shuntof

A－PShunt

of

A－P (regionalabnormalityofblood

perfusion）---“fake

enhancement”17Female,

46yoChronichepatitisB-inducedlivercirrhosisforover10yearsAFP

:231ng/mlTSE-T2WIUnenhanced3D

-VIBEAP+Gd-DTPA19APPVPPVPDPDPArterial

phaseGd-EOB-DTPAGd-DTPA20Portal

phaseDelayed

phase21Hepatobiliary

phaseHCCⅠ-Ⅱ級4、HCC分化程度的判斷肝膽特異期：1 sHCC高信號（10-15%）2

分化好3

復(fù)發(fā)轉(zhuǎn)移低4

預(yù)后好研究發(fā)現(xiàn)：基因突變OATP8（1B3）表達(dá)增高需進(jìn)一步研究TwolesionsofHCCshowdifferentfeatureonHBPwithPrimovistatthesame

patient235、更準(zhǔn)確理解腫瘤時空異質(zhì)性男，57歲

結(jié)腸癌術(shù)后四年，口服異煙肼八年(腦膜結(jié)核）外院超聲發(fā)現(xiàn)肝多發(fā)結(jié)節(jié)病灶（轉(zhuǎn)移可能）T2W T1WI IAPPPDPHBP鑒別肝細(xì)胞增生性結(jié)節(jié)Patternofenhancementfor

sHCCGd-DTPA27Gd-EOB-DTPAAPPVPGRE

T1APPVPHBPGd-DTPAPatternofenhancementfor

sHCC28Gd-EOB-DTPAGRE

T1APPVPHBPAPPVPGd-DTPAPatternofenhancementfor

sHCC29Gd-EOB-DTPAPVPPVPAPAPGRE

T1HBPConclusion-Detection andCharacterizationofsmall

lesion(<1.0cm).30Comparedwithgadopentetatedimeglumine,gadoxeticacid-enhancedMRIdemonstratedadifferentenhancementpatternofinferiorarterialenhancement

andwasmorerapidlyhypointenseintheportalphasefor

HCC.Itshowedmarkedlylowerenhancementforhepatic

arteryandportalveininthepatientswith

cirrhosis.Strategyex.ofsHCCat

ZS-HospitalDopplerUS

+AFPHigh

riskpatients1\Hepatitis

B/C2\HBsAg(+)3\CirrhosisContrast

USImagingModalitiesbefore

2012200ng/ml(normal

<20ng/ml)TumormarkersC+MDCTMRspecific

contrastFollow

upDSA+Iodized

CTDSA+IodizedCT

314\family

HCC5\Addict

Alcohol6\NASHC+MRIPET/

CTDCP(inJapananS.Korea)Das_Gamma-CarboxyProthrombinFucosylatedfractionof

AFP(AFP-L3)Osteopontin(OPN)/Glypican-3(GPC-3)GP73/microRNAsPrimovistDUALPHASE

SCTT1T2Gd+MDCTvs.EOB-MRI（Primovist）52/F,rectalcancer,multiplelivermetastasesZhomgshan

Hospital NowFirstLineDoppler

US/AFPMoreHepatologistsandGeneral

Surgeons35Secondline：Conventional

DCE-MRIhighersensitivity&specificity，particularlymonitortheeffectsof

therapy

Recommended

PrimovistDiagnostic

Strategyof MRfor

sHCCinZhongshan

Hospital.Wash inWash

out- -+ -85-90%10-15%Diagnosis

sHCC+/-+ ++ -++ +Hypervascular

sHCCPrimovist

HBPHypovascular

sHCCLower

intensity5-10%5%

lesionsFollow

upBiopsyChinese Management

of

HCC

Guideline

based

Clinical

Practice（2016版）Recomm