蝶鞍窝扩大的鉴别诊断.ppt

蝶鞍窝扩大的鉴别诊断,郑大一附院李树新,.,蝶鞍反映颅内情况的一面“镜子”,.,解剖学,.,蝶鞍悬在中颅窝内的骨性结构垂体的容器,.,蝶鞍的正常影像学表现,.,正常蝶鞍X线解剖,.,薄背部分气化蝶窦,厚背完全气化蝶窦,韧带钙化几未气化蝶窦,.,蝶鞍扩大的X线解剖,鞍背后倒与斜坡成角双鞍背双鞍底一侧前床突翘起两侧前床突呈“剪刀”状分离鞍窝呈气球样扩张,.,.,蝶鞍扩大的鉴别诊断,.,垂体瘤（嫌色GH混合）颅咽管瘤（鞍内鞍内/鞍上型）空泡蝶鞍海绵窦占位（动脉瘤神经鞘瘤脑膜瘤）颅内压增高,.,垂体瘤,.,.,51Y/OF.chromophobe,.,51Y/OF.chromophobe,.,51Y/OF.chromophobe,.,51Y/OF.chromophobe,.,30Y/OM.GHgiantism200cmtallat15Y/O,.,45Y/O.M.GHacromegaly,.,45Y/O.M.GHacromegaly,.,42Y/O.F.GHacromegaly,.,twocasesofacromegaly,.,颅咽管瘤,.,.,23Y/O.Fcraniopharyngioma,.,45Y/O.M.cysticcraniopharyngiomaegg-shellcalcification,.,45Y/O.M.cysticcraniopharyngiomaegg-shellcalcification,.,Acaseofcalpituitaryadenoma,.,64Y/O.M.craniopharyngioma,.,64Y/O.M.craniopharyngioma,.,颅咽管瘤的来源及好发部位,.,.,50Y/O.M.supersellacraiopharyngioma,.,17Y/O.FInfrasellacraiopharyngioma,.,空泡蝶鞍,.,.,ESPneumoencephalogram,.,ESCT,.,36Y/O.FsmallerES,.,36Y/O.FsmallerES,.,36Y/O.FsmallerES,.,41Y/O.M.LargerES,.,41Y/O.M.LargerESthe“anchor”sign,.,Pearlharbour,.,60Y/O.M.hugeES,.,60Y/O.M.hugeES,.,56Y/O.M.hugeESCTMproved,.,海绵窦占位病变,.,Parasellaaneurysm,.,Sellaenlargement,.,Leftsuperorbitalfissureandopticnerveforamenenlargement,.,Leftparasellamass,.,leftparasellamass,.,leftparasellaaneurysm,.,45Y/O.M.leftparasellaschwannoma,.,45Y/O.M.leftparasellaschwannoma,.,颅内压增高,.,22Y/O.F.t