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1、Theimaging manifestationofpancreaticcancerPancreaticcancerbeginsinthetissuesofthepancreasanatomicstructureCase11CT00076664yMalefeelabdominalandbackpainJaundicefor2monthsPlainscan：Airregularslightlylowerdensitymassislocatedinthe headofthepancreas.Contrast-enhancedscan（Arterialphase）：themassw
2、asslightlyenhancedandtheSMA（superiormesentericartery）wassurroundedbythemass.Portalvenousphase：Theenhancementofthemassisslowlystrengthened.CTImagingfindingsCT features: 1 pancreatic parenchymalmass, asitsmain features. Tumor morphologyfortheoval, lobulatedor irregular mass, irregularmargin,
3、andthe boundaryof pancreatictissue isnotclear.2.Pancreatic contour, contour andsize changeis another importantsignBileductandpancreaduct dilation isanindirectsignDiagnosisPancreatic Mediumtohigh differentiationadenocarcinomadifferentialdiagnosisChronic pancreatitis CTindifferentialdiagnosi
4、sof pancreaticcancer: Thelesion ofpancreaticcancer multiple nodes, limited, irregularedge, liquefied necrosis, calcification israre.Pancreatitis can be normalregion, liquefaction necrosis israre, calcification, especiallyalongthe duct tothe distributionofthecalcifications areitsimportantcha
5、racteristics. Pancreatitis bile ductandpancreaductdilationofirregular, often throughthe lesion, but not throughthe pancreaticcancer lesions, foundthe importantsignof metastasis isalsoa differential.pancreaticcystadenocarcinoma or tumorwhen pancreaticcancer appeared liquefactionnecrosis is
6、larger, itsneedtodifferential.pancreaticcystadenocarcinoma or tumor CTshowed cysticmass, cysticwall showed irregularmuralnodule, enhanced thewall andfiberseparation canstrengthen, thecentralpartof thetumor calcificationbiliaryandpancreaticduct dilation orobstructionisrareInMRCPTuberculosiso
7、fpancreaspancreatictuberculosis oftenhave tuberculosis poisoning symptomssuchasfever, lossofappetite, sweating, italso showeda similartothe lesions causedbyobstructivejaundice, itscharacteristicis theheadofthepancreas andsurrounding showedmultipleenlarge
