鼻内脑脑膜膨出在临床上被描述为一个搏动性的、灰色或兰色、能压缩、柔软半透明的包块，常不附着千例壁，并可有一个阳性的Furstenberg征，即压迫颈静脉此色块肿胀。Su、。llwd。等（979）将前颅南脑脑膜膨出分为两大类：额筛和颅底。额筛脑脑膜膨出在额和筛骨之间，并进一步 Intracranial meningeal bulging is clinically described as a pulsatile, gray or blue, compressible, soft translucent mass, often without attachment to a thousand walls, and may have a positive Furstenberg sign that oppression Jugular vein swelling of this color. Su ,. llwd. (979) will be the anterior cranial brain meningocele is divided into two categories: frontal screen and skull base. The amount of sieve brain membrane bulge between the amount and the ethmoid, and further