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1、Theimaging manifestationofpancreaticcancerPancreaticcancerbeginsinthetissuesofthepancreasanatomicstructureCase11CT00076664yMalefeelabdominalandbackpainJaundicefor2monthsPlainscan：Airregularslightlylowerdensitymassislocatedinthe headofthepancreas.Contrast-enhancedscan（Arteri
2、alphase）：themasswasslightlyenhancedandtheSMA（superiormesentericartery）wassurroundedbythemass.Portalvenousphase：Theenhancementofthemassisslowlystrengthened.CTImagingfindingsCT features: 1 pancreatic parenchymalmass, asitsmain features. Tumor morphologyfortheoval, lobulatedor
3、 irregular mass, irregularmargin, andthe boundaryof pancreatictissue isnotclear.2.Pancreatic contour, contour andsize changeis another importantsignBileductandpancreaduct dilation isanindirectsignDiagnosisPancreatic Mediumtohigh differentiationadenocarcinomadifferentialdia
4、gnosisChronic pancreatitis CTindifferentialdiagnosisof pancreaticcancer: Thelesion ofpancreaticcancer multiple nodes, limited, irregularedge, liquefied necrosis, calcification israre.Pancreatitis can be normalregion, liquefaction necrosis israre, calcification, especiallyal
5、ongthe duct tothe distributionofthecalcifications areitsimportantcharacteristics. Pancreatitis bile ductandpancreaductdilationofirregular, often throughthe lesion, but not throughthe pancreaticcancer lesions, foundthe importantsignof metastasis isalsoa differential.pancrea
6、ticcystadenocarcinoma or tumorwhen pancreaticcancer appeared liquefactionnecrosis is larger, itsneedtodifferential.pancreaticcystadenocarcinoma or tumor CTshowed cysticmass, cysticwall showed irregularmuralnodule, enhanced thewall andfiberseparation canstrengthen, thecentra
7、lpartof thetumor calcificationbiliaryandpancreaticduct dilation orobstructionisrareInMRCPTuberculosisofpancreaspancreatictuberculosis oftenhave tuberculosis poisoning symptomssuchasfever, lossofappetite, sweating, italso showeda similartothe lesions causedbyobstructivejaund
8、ice, itscharacteristicis theheadofthepancreas andsurrounding showedmultipleenlarge
