Intracystic hemorrhage of pre-existing arachnoid cyst with adjacent subdural hematoma was found on CT and MRI of brain. 脑部计算机断层和磁振造影发现原本的颅内蜘蛛网膜囊肿出现囊内出血伴随硬脑膜下腔血肿。
Results 26 cases were acoustic neuroma, 14 cases were meningioma, 12 cases were cholesteatoma, 8 cases were trigeminal neuroma, 2 cases were arachnoid cyst, 2 cases were glioma of brain stem and 1 case was craniopharyngioma. 结果:听神经瘤26例,脑膜瘤14例,胆脂瘤12例,三叉神经瘤8例,蛛网膜囊肿2例,脑干胶质瘤2例,颅咽管瘤1例。