胰腺实性假乳头状瘤的影像学表现与鉴别诊断

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1、万方数据·642·Solidpseudopapillaryimagingdiagnosistumorofthepancreas：anddifferentiation◆◆．腹部影像学WUJian91，WANGZhong-qiu“，ZHUHon91，ZHUJian-gu02，YUANCai—yun2。WUZheng-can2。L儿JZhen-jMarl2(1．DepartmentofNuclearMedicine，2．DepartmentofMedicalImaging．NanjingGeneralHospitalofNanjingMilitaryCommand，

2、PLA，Nanjing210002．China)[Abreact]ObjectiveToinvestigatetheroleofCT，MRIandPET／CTindiagnosisanddifferentiationofsolidpseudopap—illarytumorofthepancreas(SPTP)．MethodsImagingfindingsin8patients(7femalesand1male．meanage32．1years)withhistopathologicallyprovedSPTPwereanalyzedretrospectivel

3、y．CTscanningwasperformedinall8patients，MRIandPET／CTwererespectivelystudiedin2and1patients。respectively．ResultsAllpatientscystic-solidrnasswithcompara·tivelylargevolumeonCTscanningwasdetectedinall8patients。including2lesionsofpredominantlysolidcomponent．3le—sionsofpredominantlycysticc

4、omponentand3lesionsofalternatelysolidandcysticcomponent．Completecapsule，exophyticlesion，hemorrhageandcalcificationwerefoundin6，7，2and1lesions，respectively．Thesolidpartof2lesionsshowedlowsignalintensityonT1WIandslightlyhighsignalintensityonT2W]，thecysticpartshowedlOWsignalintensityon

5、T1WlandhighsignslintensityonT2WLThecapsuleshowedlOWsignslintensityonT1WIandT2WI．OnelesionwithhemorrhagewasdetectedbyMRI，butnotbyCT．ThesolidpartandcapsuleofSPTPpresentedthefeatureofdelayedenhancementafterinjectingcontrastmedium．Thesolidpartenhancedlessthanthepancreaticparenchymadidin

6、allthreephases．whilethecap—suleenhancedmorethanpancreaticparenchymadidinvenousphaseanddelayedphase．Thesolidpartofoneceseshowedahighuptakefocilikesemiring-shaponPET／CTwith18F二FDG．Cone．1esionCystic-solidmasswithcomparativelylargevol·ume，completecapsule，hemorrhage，calcificationanddelay

7、edenhancementofthecapsuleandthesolidpartshowinghighFDGuptakearetheimagingfeaturesofSPTP．MultipleimagingmethodsarefavorabletOdifferentiationdiagnosis．[K呵w钾凼]SolidpseudopapillarytumoriPancreas；Imaging胰腺实性假乳头状瘤的影像学表现与鉴别诊断昊江1，王中秋孙，朱虹1，朱建国2，袁彩云2，吴正参2，刘珍娟2(1．南京军区南京总医院核医学科。2．医学影像科，江苏南京2100

8、02)[摘要]目的探讨胰腺实性假乳头状