患儿女,8岁。因发热伴头痛、咽疼、咳嗽,跌倒一次,1995年8月下旬以“上呼吸道感染、支气管炎”收入院。半月后出现双下肢行走不稳,步态蹒跚,似醉汉步态,反应迟钝,构音障碍,书写缓慢,复视,口流唾液,膀胱有胀满感。9月中旬上述症状加重,易跌跤,扶行上、下楼。考虑颅内占位性病变( Children with children, 8 years old. Due to fever with headache, sore throat, cough, fall once, in late August 1995 to “upper respiratory tract infection, bronchitis” income hospital. Two months after the emergence of lower limb walking instability, staggering gait, like drunk gait, unresponsive, dysarthria, slow writing, diplopia, oral saliva, fullness of the bladder. In mid-September the above symptoms worse, easy to fall, hold up, downstairs. Consider intracranial space-occupying lesions