This circumscribed reddish-yellow firm neoplasm beneath the dura next to the falx is a meningioma. The superior parasagittal location is quite common.

• 边界清晰、红黄的质地坚韧的脑膜瘤，位于硬脑膜下，临近大脑镰。发生于正中线旁且偏上的部位是相当普通的。