1 / 35
文档名称:

医学影像学胰腺囊性病变的诊断.ppt

格式:ppt   页数:35页
下载后只包含 1 个 PPT 格式的文档,没有任何的图纸或源代码,查看文件列表

如果您已付费下载过本站文档,您可以点这里二次下载

分享

预览

医学影像学胰腺囊性病变的诊断.ppt

上传人:qujim2013 2014/12/16 文件大小:0 KB

下载得到文件列表

医学影像学胰腺囊性病变的诊断.ppt

文档介绍

文档介绍:monfindings(%to24%);,eoplasms,serouscystadenomas,pseudocysts,,solidpseudopapillaryneoplasms,and,rarely,(IPMNs)IPMNsoriginatefromthemucinousepitheliumofthepancreaticductalsystemandarecharacterizedbyintraductalpapillarygrowthandabundantmucinproduction,:main-ductIPMN;side-branchIPMN;,,presentationsincludeabdominalpain,weightloss,pancreatitis,(IPMNs)AtCT,amain-,amain-ductIPMNmaydemonstratediffuseorsegmentalductaldilatation,,mucinglobules,(IPMNs)Main-ductIPMN.(1)CTimagedemonstratesdiffuseirregulardilatationofthemainpancreaticductwithheterogeneousintraductaldensities(arrow).(2)MRCPdemonstratesadilatedmainpancreaticductwithareasofirregularstenosis(arrows).IntraductalPapillaryMucinousNeoplasm(IPMNs)Side-branchIPMNscanhavetwodifferentimagingappearances:amacrocysticpattern,inwhichthereisaunilocularormultilocularcystwithfewsepta,andamicrocysticpattern,inwhichmultiplethinseptaseparatenumerousfluid-(IPMNs)AtCT,Side-branchIPMNsusuallyappearashypoattenuatingheterogeneouslesionsandareclassicallylocatedintheuncinateprocess,,side-branchIPM