原发性低颅压综合征 (PIH)是一种原因不十分清楚预后良好的疾病 ,我科收治 10例报道如下。1　临床资料1.1　一般资料　全组男 7,女 3,发病年龄 2 2～ 5 7岁 ,平均 37.1岁 ,病程 2～ 30天 ,病前有感冒发热者 2例 ,急性起病 6例 ,缓慢起病 4例。1.2　临床主要症状与体征　头痛是 Primary intracranial hypotension (PIH) is a reason not very clear prognosis of a good disease, our department received 10 cases reported as follows. 1 Clinical data 1.1 General information The whole group of men and women 3, age of onset 2 2 ~ 5 7 years old, an average of 37.1 years of age, duration of 2 to 30 days, 2 cases of pre-illness fever, acute onset in 6 cases 4 cases of disease. 1.2 The main clinical symptoms and signs of headache is