脑膜瘤Meningioma,*约占颅内肿瘤总数的20%*良性,病程长*好发部位*病理*女性多于男性*好发年龄:30-50岁(60%)*可来自颈内动脉和颈外动脉双重供血*肿瘤对放射及化学疗效果不显著,与硬脑膜紧密粘连血供丰富钙化常见囊变不多瘤细胞排列成同心圆样漩涡体,矢状窦旁,大脑突面,蝶骨嵴鞍区,嗅沟,后颅窝,脑室内,各种脑膜瘤与硬膜、大脑镰、上矢状窦的位置关系,A大脑突面脑膜瘤B大脑镰脑膜瘤(常侵及到对侧)C矢状窦旁脑膜瘤(不少浸润到上矢状窦),A,B,C,ParasagittalSinusMeningioma,ParasagittalSinusMeningioma,ConvexityMeningioma,ConvexityMeningioma,CerebellopontineAngleMeningioma,OlfactoryGrooveMeningioma,FEIHQF38,Meningioma,FEIHQF38,Meningioma,LIULHF46,Meningioma,LIULHF46,Meningioma,TailSign,TailSign,垂体腺瘤Pituit